Dissertations / Theses: 'Online services'

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Kenova, Vasya, and Patrik Jonasson. "Quality Online Banking Services." Thesis, Jönköping University, JIBS, EMM (Entrepreneurship, Marketing, Management), 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-480.

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Using an already developed model for measuring the quality of online services, the authors of this thesis have developed and later on modified a theoretical model (instrument) for measuring the quality of online banking services in particular. Using quantitative research method including the design and distribution of a questionnaire, empirical data was collected on which statistical analysis has been performed. As a result of the conducted analysis, the initial theoretical model has been modified, so that the final version of the model (instrument) for measuring quality of online banking services includes four quality dimensions (Service Performance, Website Characteristics, Communication and Efficiency) with total of 17 items (questions). Furthermore, based on the modified theoretical model, customer satisfaction with different aspects of the online banking services has been evaluated. Based on the results of the Analysis of the Empirical Data, managerial recommendations are given. Suggestions for further research on quality of online banking services are also offered.

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Rindebäck, Christer. "Designing and Maintaining Trustworthy Online Services." Licentiate thesis, Karlskrona : Blekinge Institute of Technology, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-00377.

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Trust and trustworthiness are two notions that have been discussed extensively in the computer science community, e.g. trust in online banking services.We argue for a broad view on trust, namely trustworthy behavior of online services. We propose solutions enabling online service developers to reason about, and deal with issues of trustworthy online services, from concerns to actual implementations, and assessments. The view on trust in this thesis involves viewpoints on what stakeholders can have trust in, and the need to exhibit and suggest trustworthiness in online services. Trustworthiness and other relevant theories are also discussed. Three main results supporting design and maintenance of trustworthy online services will be introduced. First, a trust framework in the context of online services is introduced, specifying a number of concepts that enhances and clarifies how trust can be addressed. The framework enables an informed analysis, implementation, and assessment of solutions to trust issues based on identified trust concerns. Secondly we present how the concepts of the framework can be interconnected. The concepts enables us to reason about stakeholders trust concerns in relation to deployable solutions called trust mechanisms that are implemented in order to exhibit proper signs suggesting trustworthiness. These signs, we argue, serve as input for stakeholders trust assessment. The interconnected framework opens up for a discussion on how deployed solutions in an online service correspond to certain stakeholders trust concerns. Finally a tool for online service designers is presented, the trust management life cycle. This is an approach enabling an informed design practice that emphasizes on a trustworthy design of online services. The use of the cycle is illustrated by the use of a deployed online service.

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Rindebäck, Christer. "Designing and maintaining trustworthy online services /." Karlskrona : Department of Interaction and System Design, School of Engineering, Blekinge Institute of Technology, 2007. http://www.bth.se/fou/forskinfo.nsf/allfirst2/43fa0dcb3c664e84c125738c00484333?OpenDocument.

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Bai, Wei. "Automated certification of online auction services." Thesis, University of Liverpool, 2016. http://livrepository.liverpool.ac.uk/3003726/.

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Auction mechanisms are viewed as an efficient approach for resource allocation and different types of auctions have been designed to allocate spectrum, determine positions for advertisements on web pages, and sell products on the Internet, among others. Online auctions can be implemented as an intermediary for both sellers and buyers in agent-mediated e-commerce systems. This raises two concerns. Firstly, the automation of online auction trading requires buyer agents to understand the auction protocol and have the ability to communicate with the seller agents (i.e., the auctioneer). Secondly, buyer agents need to automatically check desirable properties that are central to their decision making. To address both concerns, we have proposed a certification framework to enable software agents automatically verify some desirable properties of a specific auction through a formally designed communication protocol, and then make decisions according to the result of the communication. Furthermore, we have extended the communication mechanism to the area of Semantic Web Service composition and have explored the verification of combinatorial auction mechanisms. To demonstrate our approach, we have modelled online auctions as web services and have applied the technique of Semantic Web Service to represent auction protocols. Then we rely on computer-aided verification techniques to construct and check formal proofs of desirable properties for specific auctions. Finally, dialogue games are proposed to enable decision making and service compositions for software agents.

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Martins, Carolina Iglésias. "Exploring digital music online : user acceptance and adoption of online music services." Master's thesis, Instituto Superior de Economia e Gestão, 2013. http://hdl.handle.net/10400.5/5910.

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Mestrado em Ciências Empresariais
Online digital music has changed dramatically since the emergence of Napster (in 1999), as a file-sharing system, and the establishment of electronic commerce. The transformation of the music industry value chain enabled Online Music Services (OMS) to serve as reintermediaries in the way the music product is delivered to consumers. However, a need to understand OMS user-end behavior has been recognized and suggested by academic authors. To explore this aspect, we extended the UTAUT2 framework (an IT/IS User Acceptance Model) to study OMS through individual Behavioral Intention and Use. UTAUT2 model was applied with the main purposes of validating its applicability in this environment, and identifying additional determinants in OMS acceptance and adoption. A quantitative approach was undertaken and data was collected from a sample of 329 individuals. Partial Least Squares (PLS) path modeling was proposed to assess the relationships within our model. With our findings, we verified the suitability of UTAUT2 constructs on an OMS background, as well as the significance of Ideology of Consumer Rights and File-Sharing Expertise in the formation of Behavioral Intention and Use, respectively. Moreover, File-Sharing Judgment revealed to have a statistically non-significant impact on Behavioral Intention. Several theoretical and practical implications are provided in order to enhance the comprehension of consumer behavior for OMS providers.
A música digital online sofreu alterações profundas desde o aparecimento do Napster (em 1999), como sistema de partilha de ficheiros, e com o desenvolvimento do comércio electrónico. A transformação da cadeia de valor da indústria musical permitiu aos Serviços de Música Online (SMO) desempenharem um papel de “re-intermediação” na forma como o produto pode ser entregue aos consumidores. Contudo, é reconhecida e sugerida por autores académicos a necessidade de compreender o comportamento destes utilizadores. Com o intuito de explorar esta necessidade, estendemos o Modelo de Aceitação Tecnológica UTAUT2, por forma a analisar a Intenção de Comportamento e Uso individual dos SMO. O modelo UTAUT2 foi empregue com os principais objectivos de validar a sua aplicabilidade no contexto musical, com particular incidência nos SMO, e identificar constructos adicionais que levem à sua aceitação e adopção pelos utilizadores. Para este estudo, foi aplicada uma abordagem quantitativa com uma amostra de 329 indivíduos. A utilização de uma análise baseada nos Mínimos Quadrados Parciais (Partial Least Squares – PLS) foi utilizada para avaliar as relações entre os constructos do modelo teórico proposto. Os nossos resultados evidenciam a adequação do UTAUT2 no contexto analisado, assim como a importância da Ideologia dos Direitos do Consumidor e a Perícia da Partilha de Ficheiros na formação da Intenção de Comportamento e no Uso, respectivamente. Adicionalmente, o Julgamento sobre a Partilha de Ficheiros revelou não ser estatisticamente significativo no nosso modelo. Várias implicações teóricas e práticas são propostas, auxiliando os fornecedores de SMO na compreensão do comportamento dos consumidores.

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Burns, Christine Vanda Law Faculty of Law UNSW. "Online legal services - a revolution that failed?" Awarded by:University of New South Wales. School of Law, 2007. http://handle.unsw.edu.au/1959.4/32468.

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In the late 1990s a number of law firms and other organisations began to market online products which "package" legal knowledge. Unlike spreadsheets, word processing software and email, these products are not designed to provide efficiency improvements. Rather, online legal knowledge products, which package and apply the law, were and are viewed by many as having the potential to make major changes to legal practice. Many used the term &quitrevolution" to describe the anticipated impact. Like any new technology development, many intersecting factors contributed to their development. In many ways they built on existing uses of technology in legal practice. The various information technology paradigms which underpin them - text retrieval, expert systems/artificial intelligence, document automation, computer aided instruction (CAI) and hypertext - were already a part of the "computerisation of law". What is new about online legal knowledge products is that as well as using technology paradigms such as expert systems or document automation to package and apply the law, they are developed using browser-based technologies. In this way they leverage the comparative ease of development and distribution capabilities of the Internet (and/or intranets). There has been particular interest in the impact of online legal knowledge products on the legal services provided to large commercial organisations. With the increasing burden of corporate compliance, expanding role of the in-house lawyer and pressure to curb costs, online legal knowledge products should flourish in commercial organisations and many have been adamant that they will. However, there is no convincing evidence that anything like a "revolution" has taken place. Success stories are few and far between. Surprisingly few have asked whether this "revolution" has failed, or seriously analysed whether it lies ahead. If it does lie ahead, what factors, if any, need to taken into account in order for it to take place? If there is to be no revolution, what value should be placed on online legal knowledge products? In this dissertation I use the findings of my own empirical work, supported by a literature survey, to demonstrate that the impact of online legal knowledge products has been modest. I argue that in order to build successful online legal knowledge products it is necessary to appreciate that a complex system of interacting factors underpins their development and use,and address those factors. I propose a schematic representation of the relationships involved in producing an online legal knowledge product and use the findings of some empirical work, together with a review the literature in related fields, to identify the factors relevant to the various components of this framework. While there are many interacting factors at play, four sets of considerations emerge from my research as particularly important: integrating different technology paradigms, knowledge acquisition, usability, and implementation. As a practical matter, the implication of these findings is that some online legal knowledge products are more likely to be successful than others, and that there are other technology applications that may represent a better investment of the limited in-house technology budget than many online legal knowledge products. I also argue that while most of the challenges involved in integrating different technology paradigms, improving usability, and effective implementation can be addressed with varying levels of effort, the problem of the knowledge acquisition bottleneck is intractable. New approaches to knowledge acquisition are required to overcome the knowledge acquisition bottleneck. I identify some potential approaches that emerge from my research: automation, collaboration and coalition, phasing and simple solutions.

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Valancius, Vytautas. "Wide-area route control for online services." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/43623.

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Accelerated by on-demand computing, the number and diversity of the Internet services is increasing. Such online services often have unique requirements for the underlying wide-area network: For instance, online gaming service might benefit from low delay and jitter paths to client, while online data backup service might benefit from cheaper paths. Unfortunately, today's Internet does not accommodate fine-grained, service-specific wide-area route control. In this dissertation, I achieve the following goals: 1) improve the access to the routes, 2) quantify the benefits of fine-grained route control, and 3) evaluate the efficiency of current payment schemes for the wide-area routes. * Improving access to wide-area route control. Online services face significant technological and procedural hurdles in accessing the routes: Each service in need to control the Internet routes, has to obtain own equipment, Internet numbered resources, and establish contracts with upstream ISPs. In this dissertation, I propose and describe implementation and deployment of a secure and scalable system which provides on-demand access to the Internet routes. In setting such as cloud data center, the system can support multiple online services, providing each service with an illusion of direct connectivity to the neighboring Internet networks, which, for all practical purposes, allows services to participate fully in the Internet routing. * Quantifying the benefits of fine-grained route control. Even if online services are presented with wide-area route choice, it is not clear how much tangible benefit such choice provides. Most modern Online Service Providers (OSP) rely primarily on the content routing to improve network performance between the clients and the replicas. In this dissertation, I quantify the potential benefit the OSPs can gain if they perform a joint network and content routing. Among other findings, I find that by performing joint content and network routing, OSPs can achieve 22% larger latency reduction than can be obtained by content routing alone. * Modeling and evaluating the efficiency of the current payment schemes for wide-area routes. Finally, increasing diversity and sophistication of the online services participating in the Internet routing poses a challenge to payment models used in today's Internet. Service providers today charge business customers a blended rate: a single, "average" price for unit of bandwidth, without regard to cost or value of individual customer's flows. In my dissertation, I set to understand how efficient this payment model is and if more granular payment model, accounting for the cost and value of different flows could increase the ISP profit and the consumer surplus. I develop an econometric demand and cost model and map three real-world ISP data sets to it. I find that ISPs can indeed improve the economic efficiency with just a few pricing tiers.

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Rajagopal, Anand 1979. "A knowledge services roadmay for online learning." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/30200.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering; and, (S.M.)--Massachusetts Institute of Technology, Engineering Systems Division, Technology and Policy Program, 2005.
Includes bibliographical references (p. 76-78).
In today's society, there is a need for organizations to have a robust knowledge infrastructure in place, so that they can create or acquire knowledge; store knowledge; disseminate knowledge, and protect and manage their knowledge assets. However, with advances in the publishing media, our ability to generate information has far exceeded our abilities to find, review and understand it, thus leading to "Information Overload". Information overload refers to the inability to extract needed knowledge from existing information due to the volume of information, or lack of understanding of information and its whereabouts, or efficient ways to locate relevant information. These issues could be addressed by having efficient Knowledge Management Systems/Knowledge Services, so that people can create and understand available information, and have services to help them learn effectively and make better decisions. To tackle the new information needs, the use of technologies such as Weblog Services (weblog-enabled knowledge services) offer opportunities for decentralized knowledge creation and dissemination; as such tools put the authors in charge of knowledge creation process without any administration-enforced policies. Learning environments are also typically characterized by challenges such as barriers to use, quality control and relevance issues, or issues of credibility of information. These issues are effectively tackled by weblog services since weblogs are often open source and need no training for authoring. In addition, favorite blogs act as information filters or "bird dogs" and point at useful information. Feedback incorporated in weblog services makes people react and learn "interactively" and also enhances credibility and trust in information.
(cont.) Weblog services can also share published content through the process of Content Syndication, and thus offer an insight into knowledge assets in the timeliest of ways. This thesis report describes certain weblog services implementations carried out at MIT. Results of such implementations have emphasized the applications of such weblog (knowledge) services in knowledge sharing and online learning. However, there are certain issues to be addressed in weblog services such as privacy and intellectual property issues, as well as resolution of organizational tussles in the domain of content syndication standards.
by Anand Rajagopal.
S.M.

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Kincaid, Andrew. "Online betting services : a UK consumer perspective." Thesis, Ulster University, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.650093.

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This thesis details the macro-level, micro-level and nano-level investigation of factors affecting the acceptance, adoption and diffusion of online betting technologies in the UK market. The research is positioned to explore the usage of these technologies, pertinent drivers and inhibitors, and key factors influencing bettor behaviour. Given the rapid development of key emergent technologies, the current knowledge base is theoretically and contextually deficient in the understanding of how and why these technologies are accepted, adopted and diffuse. Built upon the Social Construction of Technology philosophy, technological and social factors are explored. Consequently, key theoretical components are drawn upon; behavioural intention concepts of Technology Acceptance and Innovation Diffusion. Methodologically, a three-phase, sequential, mixed methods approach is taken. The challenges of researching this hidden population are addressed through sampling and distribution conducted purely online; contributing to the internet research field . Initial quantitative scoping is conducted through an online survey instrument. Qualitative exploration and explanation of emerging themes is conducted though semi-structured email interviews. Operating at the nano-Ievel, a novel e-projectives technique provides further exploration and explanation of salient themes. The e-projectives instrument furthers social sciences research theory as this innovative technique is translated and applied in a digital context. Through confirmation, disconfirmation and extension of knowledge, theoretical and contextual contributions are made to the key areas of; online consumer behaviour, e-commerce and Information Systems. Knowledge is added in the area of consumer behaviour and e-commerce through exploration of online bettor behaviours and the accepted digital delivery of betting services. Online bettors are found to utilise numerous technologies to provide a 'grand solution' with online betting services enhancing the speed, ease and control of betting. Primary drivers identified are; ease of use, ease of contact, reliability and safety. Trust and assurances are primary inhibitors. Operational advantage, Proficiency Development and Service Performance are key influences in online bettor behaviour. Philosophically, SCOT is supported through the identified interplay between social and technological factors. IS theory is advanced with support for the amalgamation of technology acceptance and innovation diffusion theories, and addition of contextual aspects. Finally, a number of practical recommendations are forwarded for key stakeholders.

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Radkevitch, Ulad. "Online reverse auctions for procurement of services /." Rotterdam : Erasmus Research Institute of Management, 2008. http://hdl.handle.net/1765/13497.

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Specht, Thomas. "Engineering multimedialer Online-Services für den Maschinenbau." [S.l. : s.n.], 2005. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB11814265.

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Pfendert, Eva. "Marketing im Internet Kundenbindung bei Online-Services /." [S.l. : s.n.], 2003. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB11675571.

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Zang, Shizhe. "ONLINE RESOURCE RESERVATION FORMOBILE EDGE COMPUTING SERVICES." Thesis, University of Sydney, 2021. https://hdl.handle.net/2123/24523.

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Over the last decade, the world has witnessed the rapid penetration and proliferation of the Internet of Things (IoT). With the rise of smart IoT applications, the edge of the computer network is envisioned to be the data processor, which refers to as mobile edge computing (MEC). Instead of processing tasks locally, the IoT applications offload computational intensive tasks to the MEC server for processing. As a large portion of smart IoT applications are event-triggered, MEC users have very limited information about future tasks, which includes the communication as well as computing resource usage and the arrival time of the task. Therefore, the MEC resource needs to be purchased or reserved in an online manner. As MEC market reaches maturity, MEC brokers will emerge to help reduce the cost of individual users by aggregating users’ task demand to improve resource utilization. In this thesis, we investigate the online MEC resource reservation problem for both individual users and brokers. Similar to the cloud computing and wireless communication market, MEC users and brokers can purchase both communication and computing resources by PAYG or plans. Besides data and computing plans for each type of resource, we also consider combo plans specifically designed for MEC services covering both resources. Compared with PAYG, plans have a high upfront fee but can cover the corresponding resource usage for a period of time. As such, how to choose between PAYG and plans and when to purchase the resource determine the cost of users and brokers. To the best of our knowledge, we are the first to consider online resource reservation problem for MEC users and brokers. To solve the resource reservation problem, we first formulate offline cost minimization problems for both individual users and brokers, which are NP-Complete. Then we formulate online cost minimization problems and convert them to competitive ratio minimization problems. We propose deterministic online resource reservation algorithms for individual users and brokers to solve these problems. By conducting competitive analysis, we derive the competitive ratio of the deterministic online re-source reservation algorithms for individual users and prove it to be the minimum among all deterministic online resource reservation algorithms for individual users. We also derive the competitive ratio of the deterministic online resource reservation algorithm for brokers, and prove it to be the minimum among all deterministic online resource reservation algorithms for brokers. Besides deterministic algorithms, we derive randomized online resource reservation algorithms for individual users and brokers, which are probability distribution of deterministic algorithms. By conducting competitive analysis, we derive the competitive ratio of the randomized online resource reservation algorithm for individual users and prove it to be the minimum among all randomized online resource reservation algorithms for individual users. We also derive the competitive ratio of the randomized online resource reservation algorithm for brokers, and prove it to be the minimum among all randomized online resource reservation algorithms for brokers. In the trace-driven simulations, our proposed deterministic online resource reservation algorithms for individual users and brokers outperforms all benchmark schemes including prediction based methods in terms of cost minimization and resource utilization. Although our proposed randomized online resource reservation algorithms for users and brokers have better competitive ratios (worst case guarantee) than deterministic online resource reservation algorithms, their performances are worse than the deterministic online resource reservation algorithms. Furthermore, we verify that MEC brokers can reduce costs of individual users through demand aggregation. Our proposed algorithms can be used for new MEC users and brokers with little knowledge on future resource usage or users and brokers with highly fluctuating demands.

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Norrgård, I. (Isadora). "Consumer buying behaviour in online legal services." Master's thesis, University of Oulu, 2019. http://jultika.oulu.fi/Record/nbnfioulu-201911223154.

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Abstract. Online legal services refer to electronic or digital legal services (in the form of software, apps, web pages, etc.) that can increase common people understanding of legal issues, access to legal information and social participation in legal related matters. By automating tasks traditionally performed only by lawyers and by making legal services available on the Internet, online legal services make the access to justice more affordable and accessible to all. In this modern context, where common consumers have the opportunity buy and use legal services completely on the internet and without the help of a traditional lawyer, it is necessary to investigate how consumers behave when they shop for legal services online. In accordance, the purpose of the research is to understand the consumer buying behaviour in online legal services, based on empirical research, contributing to the literature about online legal services; and to provide managerial implications for legal services companies about how to improve their marketing strategies and build their consumer relationships, based on the empirical findings. Therefore, the study delves into the minds of consumers to uncover their needs, motivations and intentions about online legal services, and it is the first study to investigate the consumer buying behaviour in online legal services. The research is planned focusing on the theories of consumer buying behaviour, technology acceptance and on prior research of online legal services. The empirical research is conducted using a survey questionnaire, employing a mixed-method approach. Brazil was chosen as the field for the research, because it is the world’s fifth-largest country by area and the fifth most populous, where legal services are highly demanded and where online legal services have potential to be widely utilized, although not much is known about the consumer behaviour towards them. The sample studied is 419 potential consumers of online legal services. To process the data, the author makes statistical analysis of each quantitative reply, qualitative thematic content analysis for each qualitative answer, and deeply analyse the final results of the research, developing a framework for the consumer buying behaviour in online legal services. The empirical findings show that the consumers of online legal services behave motivated by Price, Legal problem-solving capability, Convenience (Perceived ease of use), Speed, Safety, Quality and Trustability and that consumers have an overall positive attitude about online legal services, even though negative attitudes were also identified. Utilitarian needs and motivations, behavioural intention, attitude, perceived usefulness, perceived ease of use, information search, evaluation of alternatives, social influence, facilitating conditions, trust, perceived risk, and price value; influence and characterize the buying behaviour in online legal services and lead to the consequent consumer purchase decision. Furthermore, the buying process in online legal services follows the Five-stage buying process, but the consumer might deviate during it, because of, among other reasons, social influence and the lack of trust.

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Veron, Maxime Pierre Andre. "Scalable services for massively multiplayer online games." Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066212/document.

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Les jeux massivement multi-joueurs en ligne (jeux MMOGs) visent à rassembler un nombre infini de joueurs dans le même univers virtuel. Pourtant, tous les MMOG existants reposent sur des architectures client / serveur centralisé qui imposent une limite sur le nombre maximum de joueurs (avatars) et sur les ressources qui peuvent coexister dans un univers virtuel donné. Cette thèse vise à proposer des solutions pour améliorer l'évolutivité de MMOG. Cette thèse explore deux services qui sont essentiels à toutes les variantes de MMOG: jumelage et détection de triche. Ces deux services sont les goulots d'étranglement connus, et pourtant les implémentations actuelles restent centralisées. Cette thèse montre également qu'il est possible de concevoir un service d'arbitrage au-dessus d'un système de réputation. Le service résultant reste très efficace sur une grande échelle, à la fois en termes de performance et en termes de prévention de la fraude. Comme l'arbitrage est un problème similaire à la détection de fautes, cette thèse étend l'approche proposée pour surveiller les défaillances
Massively Multi-player Online Games (MMOGs) aim at gathering an infinite number of players within the same virtual universe. Yet all existing MMOGs rely on centralized client/server architectures which impose a limit on the maximum number of players (avatars) and resources that can coexist in any given virtual universe. This thesis aims at proposing solutions to improve the scalability of MMOGs. To address the wide variety of their concerns, MMOGs rely on independent services such as virtual world hosting, avatar storage, matchmaking, cheat detection, and game design. This thesis explores two services that are crucial to all MMOG variants: matchmaking and cheat detection. Both services are known bottlenecks, and yet current implementations remain centralized. This thesis also shows that it is possible to design a peer to peer refereeing service on top of a reputation system. The resulting service remains highly efficient on a large scale, both in terms of performance and in terms of cheat prevention. Since refereeing is somewhat similar to failure detection, this thesis extends the proposed approach to monitor failures. The resulting failure detection service scales with the number of monitored nodes and tolerates jitter

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Veron, Maxime Pierre Andre. "Scalable services for massively multiplayer online games." Electronic Thesis or Diss., Paris 6, 2015. http://www.theses.fr/2015PA066212.

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Les jeux massivement multi-joueurs en ligne (jeux MMOGs) visent à rassembler un nombre infini de joueurs dans le même univers virtuel. Pourtant, tous les MMOG existants reposent sur des architectures client / serveur centralisé qui imposent une limite sur le nombre maximum de joueurs (avatars) et sur les ressources qui peuvent coexister dans un univers virtuel donné. Cette thèse vise à proposer des solutions pour améliorer l'évolutivité de MMOG. Cette thèse explore deux services qui sont essentiels à toutes les variantes de MMOG: jumelage et détection de triche. Ces deux services sont les goulots d'étranglement connus, et pourtant les implémentations actuelles restent centralisées. Cette thèse montre également qu'il est possible de concevoir un service d'arbitrage au-dessus d'un système de réputation. Le service résultant reste très efficace sur une grande échelle, à la fois en termes de performance et en termes de prévention de la fraude. Comme l'arbitrage est un problème similaire à la détection de fautes, cette thèse étend l'approche proposée pour surveiller les défaillances
Massively Multi-player Online Games (MMOGs) aim at gathering an infinite number of players within the same virtual universe. Yet all existing MMOGs rely on centralized client/server architectures which impose a limit on the maximum number of players (avatars) and resources that can coexist in any given virtual universe. This thesis aims at proposing solutions to improve the scalability of MMOGs. To address the wide variety of their concerns, MMOGs rely on independent services such as virtual world hosting, avatar storage, matchmaking, cheat detection, and game design. This thesis explores two services that are crucial to all MMOG variants: matchmaking and cheat detection. Both services are known bottlenecks, and yet current implementations remain centralized. This thesis also shows that it is possible to design a peer to peer refereeing service on top of a reputation system. The resulting service remains highly efficient on a large scale, both in terms of performance and in terms of cheat prevention. Since refereeing is somewhat similar to failure detection, this thesis extends the proposed approach to monitor failures. The resulting failure detection service scales with the number of monitored nodes and tolerates jitter

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Gillestad, Vegard. "Online Anmeldesystem für Abschlussarbeiten." [S.l. : s.n.], 2007. http://nbn-resolving.de/urn:nbn:de:bsz:747-opus-339.

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Wang, Chun. "Empirical Analysis of User Passwords across Online Services." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/83471.

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Leaked passwords from data breaches can pose a serious threat if users reuse or slightly modify the passwords for other services. With more and more online services getting breached today, there is still a lack of large-scale quantitative understanding of the risks of password reuse and modification. In this project, we perform the first large-scale empirical analysis of password reuse and modification patterns using a ground-truth dataset of 28.8 million users and their 61.5 million passwords in 107 services over 8 years. We find that password reuse and modification is a very common behavior (observed on 52% of the users). More surprisingly, sensitive online services such as shopping websites and email services received the most reused and modified passwords. We also observe that users would still reuse the already-leaked passwords for other online services for years after the initial data breach. Finally, to quantify the security risks, we develop a new training-based guessing algorithm. Extensive evaluations show that more than 16 million password pairs (30% of the modified passwords and all the reused passwords) can be cracked within just 10 guesses. We argue that more proactive mechanisms are needed to protect user accounts after major data breaches.
Master of Science

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Lee, Jihyun. "Factors affecting intention to use online financial services." The Ohio State University, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=osu1064325414.

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Horincar, Roxana Gabriela. "Refresh Strategies and Online Change Estimation for Highly Dynamic Web Content." Paris 6, 2012. http://www.theses.fr/2012PA066210.

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Avec l'expansion importante d'appareils connectés à l'Internet et l'essor du Web 2. 0, le contenu web se diversifie et devient de plus en plus dynamique. Afin de faciliter la diffusion de flux d'informations évolutives et souvent temporaires (news, messages, annonces), des nombreuses applications web publient les items d'informations les plus récentes dans des documents RSS ou Atom qui sont ensuite collectés et transformés par des agrégateurs RSS comme Google Reader ou Yahoo! News. Nos recherches se placent dans le contexte d'agrégation de documents RSS dynamiques et se focalisent sur l'optimisation du rafra”chissement et de l'estimation en ligne du changement de contenu RSS hautement dynamique. Nous introduisons et formalisons deux mesures qualitatives spécifiques à l'agrégation de flux RSS qui refltent la complétude et la fra”cheur moyenne du flux d'information agrége. Nous proposons une stratégie de rafra”chissement du "meilleur effort" qui maximise la qualité de l'agrégation par rapport aux autres approches existantes avec un nombre moyen de rafra”chissements identique. Nous présentons une analyse des caractéristiques générales de l'activité de publication des flux RSS réels en se focalisant surtout sur la dimension temporelle. Nous étudions différentes modles et méthodes d'estimation de changements d'activité et leur intégration dans les stratégies de rafraîchissement. Les méthodes présentés ont été implémentés et testés sur des données synthétiques et des flux RSS réels

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Nualnim, Nuanyong, and Chayanut Phuaksawat. "Customer’s selection criteria when booking yacht online." Thesis, Mälardalen University, School of Sustainable Development of Society and Technology, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-9841.

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Problem: Online yacht booking market is now very competitive market. There are many

yacht online companies in the market. Therefore, it is critical for yacht online

companies to understand customers’ needs and to know what the selection

criteria are that customers use to book yacht online. As rental yacht sales agents

are mostly virtual companies, which mainly use Internet to reach target

customers and conduct most of the purchase process. Therefore, one question

that need to be researched is how important is the website for the rental yacht

sales agent when it comes to getting new customers and keeping the old ones?

Purpose: The purpose of the study is to find out what the selection criteria which

customers use to evaluate when booking yacht online are.

Method: This study is primarily based on qualitative research by using in-depth interview

method. Customer decision making process is applied in order to suit with the

topic. The data collection came from two sources, primary and secondary data.

Conclusion: The important selection criteria for new customers are websites containing

necessary information which mentioned by the interviewees during the

interview, word of mouth of the company and services from the company and its

sale staff. These three selection criteria have huge effect on new customers in

order to book yacht online. For the experienced customers, there are two selection

criteria which are considered as the most important criteria which are services

from the company and its sale staff and website containing necessary information.

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Fredrich, Silke. "Paid content und paid services bei einer Online-Redaktion (am Beispiel von RP-Online)." [S.l.] : [s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=978232283.

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Bakhuizen, Ellinor. "Audible Healthcare Online : Towards Online Digital Healthcare Services Accessible for Users of Screen Readers." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-303132.

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In the last few years, and especially since the start of the COVID-19 pandemic, healthcare services have been moving online. Today, patients can book appointments with doctors and read their medical records in apps and web services. It is important that these services are equally accessible to all patients, regardless of for example disability. This study aims to identify opportunities and challenges in adapting these digital healthcare services towards increasing accessibility for screen reader users with visual impairments. Eight people with visual impairments participated in the study, whereof five had complete vision loss and three had low vision. First, the participants were interviewed about their experiences of using screen readers as well as their views on digital healthcare. Secondly, a usability test was conducted on an existing system at the online health service provider Kry. The interviews indicated that screen reader users face a lot of accessibility barriers online, and therefore might be hesitant towards using digital healthcare. Yet, accessible digital healthcare can bring positive consequences such as making people with visual impairments more independent in handling medical documents and communication with clinicians. Many of the common barriers mentioned, such as unlabelled buttons and missing alternative text for images were found in the usability test of the Kry app. Some barriers even caused dead ends, resulting in that only three out or eight tasks in the usability test were completed by all the participants. From the results of the interviews and usability test, this study proposes a set of recommendations for achieving screen reader friendly online services. The recommendations include for example prioritising simple navigation, always providing alternative text and to test with assistive technology. The recommendations are applicable to other types of services as well, although they might be extra important in the digital healthcare sector where accessibility is of extra high importance.
De senaste åren och speciellt sedan COVID-19 tog fart har delar av sjukvården börjat flytta ut på internet. Idag finns det en rad olika appar som patienter kan använda för att träffa läkare och för att läsa sina journaler. Det är väldigt viktigt att dessa tjänster är tillgängliga för alla patienter, oavsett om man till exempel har en funktionsnedsättning. Denna studie undersöker vilka möjligheter och utmaningar den digitala sjukvården står inför vad gäller tillgänglighetsanpassning för personer med synnedsättningar som använder skärmläsare. Åtta personer deltog i studien varav tre hade nedsatt syn och fem helt saknade synperception. Deltagarna blev först intervjuade om sina erfarenheter av att använda skärmläsare samt sin syn på digital vård. Efter det fick de göra ett användbarhetstest av den digitala vårdappen Kry. Intervjuerna visade att personer med synnedsättningar stöter på många olika typer av tillgänglighetsproblem på internet. Därför är vissa personer tveksamma till att använda digitala vårdtjänster. Om digitala vårdtjänster var väl anpassade för skärmläsare skulle de däremot kunna hjälpa personer med synnedsättningar att bli mer självständiga vad gäller till exempel hantering av medicinska dokument och kommunikation med läkare. Många av de vanligaste tillgänglighetsproblemen på internet, så som omärkta knappar och utebliven alternativ text, påträffades under användbarhetstestet av Kry-appen. Vissa av problemen var så pass allvarliga att de ledde till att deltagarna fastnade i appen. Detta gjorde i sin tur att endast tre av de åtta uppgifterna som var del av testet löstes av samtliga deltagare. Baserat på resultaten från intervjuerna och användbarhetstestet föreslår denna studie en rad rekommendationer för att göra digitala tjänster bättre anpassade för skärmläsare. Rekommendationerna innebär bland annat att prioritera enkel navigation, att alltid ha alternativ text till bilder samt att aktivt testa digitala tjänster med skärmläsare. Rekommendationerna är applicerbara på de flesta typer av digitala tjänster, men är extra viktiga att använda inom digital vård eftersom det måste vara tillgängligt för alla.

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Raap, Hansjörg. "Online Anmeldesystem für Diplomarbeiten." [S.l. : s.n.], 2007. http://nbn-resolving.de/urn:nbn:de:bsz:747-opus-323.

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Levine, Aaron J. (Aaron Joshua). "A competitive analysis of the online information services industry." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/12079.

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Dan, Gorton. "Aspects of Modeling Fraud Prevention of Online Financial Services." Doctoral thesis, KTH, Transportvetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-176298.

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Banking and online financial services are part of our critical infrastructure. As such, they comprise an Achilles heel in society and need to be protected accordingly. The last ten years have seen a steady shift from traditional show-off hacking towards cybercrime with great economic consequences for society. The different threats against online services are getting worse, and risk management with respect to denial-of-service attacks, phishing, and banking Trojans is now part of the agenda of most financial institutions. This trend is overseen by responsible authorities who step up their minimum requirements for risk management of financial services and, among other things, require regular risk assessment of current and emerging threats.For the financial institution, this situation creates a need to understand all parts of the incident response process of the online services, including the technology, sub-processes, and the resources working with online fraud prevention. The effectiveness of each countermeasure has traditionally been measured for one technology at a time, for example, leaving the fraud prevention manager with separate values for the effectiveness of authentication, intrusion detection, and fraud prevention. In this thesis, we address two problems with this situation. Firstly, there is a need for a tool which is able to model current countermeasures in light of emerging threats. Secondly, the development process of fraud detection is hampered by the lack of accessible data.In the main part of this thesis, we highlight the importance of looking at the “big risk picture” of the incident response process, and not just focusing on one technology at a time. In the first article, we present a tool which makes it possible to measure the effectiveness of the incident response process. We call this an incident response tree (IRT). In the second article, we present additional scenarios relevant for risk management of online financial services using IRTs. Furthermore, we introduce a complementary model which is inspired by existing models used for measuring credit risks. This enables us to compare different online services, using two measures, which we call Expected Fraud and Conditional Fraud Value at Risk. Finally, in the third article, we create a simulation tool which enables us to use scenario-specific results together with models like return of security investment, to support decisions about future security investments.In the second part of the thesis, we develop a method for producing realistic-looking data for testing fraud detection. In the fourth article, we introduce multi-agent based simulations together with social network analysis to create data which can be used to fine-tune fraud prevention, and in the fifth article, we continue this effort by adding a platform for testing fraud detection.
Finansiella nättjänster är en del av vår kritiska infrastruktur. På så vis utgör de en akilleshäl i samhället och måste skyddas på erforderligt sätt. Under de senaste tio åren har det skett en förskjutning från traditionella dataintrång för att visa upp att man kan till en it-brottslighet med stora ekonomiska konsekvenser för samhället. De olika hoten mot nättjänster har blivit värre och riskhantering med avseende på överbelastningsattacker, nätfiske och banktrojaner är nu en del av dagordningen för finansiella institutioner. Denna trend övervakas av ansvariga myndigheter som efterhand ökar sina minimikrav för riskhantering och bland annat kräver regelbunden riskbedömning av befintliga och nya hot.För den finansiella institutionen skapar denna situation ett behov av att förstå alla delar av incidenthanteringsprocessen, inklusive dess teknik, delprocesser och de resurser som kan arbeta med bedrägeribekämpning. Traditionellt har varje motåtgärds effektivitet mätts, om möjligt, för en teknik i taget, vilket leder till att ansvariga för bedrägeribekämpning får separata värden för autentisering, intrångsdetektering och bedrägeridetektering.I denna avhandling har vi fokuserat på två problem med denna situation. För det första finns det ett behov av ett verktyg som kan modellera effektiviteten för institutionens samlade motåtgärder mot bakgrund av befintliga och nya hot. För det andra saknas det tillgång till data för forskning rörande bedrägeridetektering, vilket hämmar utvecklingen inom området.I huvuddelen av avhandlingen ligger tonvikten på att studera ”hela” incidenthanteringsprocessen istället för att fokusera på en teknik i taget. I den första artikeln presenterar vi ett verktyg som gör det möjligt att mäta effektiviteten i incidenthanteringsprocessen. Vi kallar detta verktyg för ”incident response tree” (IRT) eller ”incidenthanteringsträd”. I den andra artikeln presenterar vi ett flertal scenarier som är relevanta för riskhantering av finansiella nättjänster med hjälp av IRT. Vi utvecklar också en kompletterande modell som är inspirerad av befintliga modeller för att mäta kreditrisk. Med hjälp av scenarioberoende mått för ”förväntat bedrägeri” och ”value at risk”, har vi möjlighet att jämföra risker mellan olika nättjänster. Slutligen, i den tredje artikeln, skapar vi ett agentbaserat simuleringsverktyg som gör det möjligt att använda scenariospecifika resultat tillsammans med modeller som ”avkastning på säkerhetsinvesteringar” för att stödja beslut om framtida investeringar i motåtgärder.I den andra delen av avhandlingen utvecklar vi en metod för att generera syntetiskt data för test av bedrägeridetektering. I den fjärde artikeln presenterar vi ett agentbaserat simuleringsverktyg som med hjälp av bland annat ”sociala nätverksanalyser” kan användas för att generera syntetiskt data med realistiskt utseende. I den femte artikeln fortsätter vi detta arbete genom att lägga till en plattform för testning av bedrägeridetektering.

QC 20151103

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Hong, Yili. "THREE ESSAYS ON ONLINE LABOR MARKETS FOR IT SERVICES." Diss., Temple University Libraries, 2014. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/264441.

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Business Administration/Management Information Systems
Ph.D.
Ubiquitous access to the Internet and supporting technologies gave birth to online labor markets (Malone and Laubacher 1998). Online labor markets enable employers (employers) to contract with professionals (service providers) from anywhere in the world. Firms now are able to greatly expand their workforce and bring a large arsenal of labor to bear on IT jobs, such as software or web development using Internet-enabled procurement platforms such as Freelancer. These markets serve as intermediaries for IT services (outsourcers post Call for Bids (CFBs) for services and providers offer bids for IT services) that help match employers with service providers across the globe. In my dissertation, I try to comprehensively study this Internet-enabled phenomenon from the perspectives of these three entities on global online markets with three separate yet related essays. The first essay focuses on the "global" nature of the market, and assess the effect of global frictions and global labor arbitrage on both provider bidding and employer selection. The second essay focuses on the effect of auction mechanism - sealed versus open bid auction - on providers' bidding dynamics, and the market performance. The third essay focuses on estimating true consumer (employer) surplus of online labor markets with a quality-adjusted measure. I also test its robustness by comparing its effects on consumers' subsequent transactions. I also find that market immaturity, consumers' lack of experience in the market, and consumers' lack of familiarity with IT service providers lead to the difference between the traditional measure and the quality-adjusted consumer surplus.
Temple University--Theses

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Diliwi, Avesta, Christopher Ullberg, and Johanna Jevinger. "Likelihood of Using Online Personalization Services : An Explanatory Study." Thesis, Linnéuniversitetet, Institutionen för marknadsföring (MF), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-65319.

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Bachelor Thesis in Business Administration. Bachelor of Science with Specialization in Marketing – Main Field of Study: Business Administration. School of Business and Economics at Linnaeus University, Course Code 2FE21E, 2017. Title: Likelihood of Using Online Personalization Services: An Explanatory Study Authors: Avesta Diliwi, Christopher Ullberg and Johanna Jevinger Supervisor: Michaela Sandell Examiner: Åsa Devine Background: Online personalization is the result of the rapid technological and digital development where consumers are provided products, services and content based on their individual preferences. Various research has been conducted regarding what factors influence the utilization and acceptance of personalization but does not provide a holistic view on the unified relationship of the recurrent variables of value for personalization, concern for privacy and trust building factors towards likelihood of using online personalization services. Purpose: The purpose of this research is to explain the relationship of value for personalization, concern for privacy, and trust building factors with the likelihood of using online personalization services. Methodology: This research replicated Chellappa and Sin’s (2005) research by modifying their theoretical model and testing it in another context. An explanatory, deductive, quantitative research approach and cross-sectional research design were utilized within this research, where self-completed questionnaires were distributed online with a number of 228 valid responses collected. Findings: The findings demonstrate that the new theoretical model is significant and that it explains the likelihood of using online personalization services with 62,3%. Value for personalization and concern for privacy are considered highly significant and are thus accepted hypotheses, while trust building factors is not considered significant and therefore rejected. Conclusion: This research provides an insight into consumers’ usage decision in regards to likelihood of using personalization. It also provides a furthering on prior research in regards to a theoretical development, the modified model tested in a new context, but also in the findings in how the three independent variables affect the dependent variable. In addition, this research provides support for practitioners of online personalization services to understand which factors actually affect consumers’ usage decision, and can potentially develop strategies accordingly. Keywords: Personalization; Online Personalization Services; Likelihood of Using Online Personalization Services; Value for Personalization; Concern for Privacy; Trust Building Factors

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Valle, Danielle Elizabeth. "A Quantitative Evaluation of Service Priorities and Satisfaction of Online University Students." ScholarWorks, 2016. https://scholarworks.waldenu.edu/dissertations/2137.

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As online education grows, institutions must develop and evaluate student services to meet the needs of adult online students. The university at which the study was conducted had growing online enrollment, but no systematic examination of services from the students' perspective to drive service development and improvement. This represented a gap in self-evaluation, and the research confirmed gaps in student service offerings at the university compared to field standards. The purpose of this project study was to drive improvement of online student services based on analysis of student-driven data. The research questions asked how important academic and support services were to the university's online students and how satisfied the students were with the services. This quantitative study used the Priorities Survey for Online Students based on the expectation disconfirmation theory to collect data. The survey was sent to all of the university's 477 online undergraduate and graduate students. Descriptive statistics were used to compare the university's student responses to national data, report areas of service challenge, and assess variation in satisfaction according to previous online education experience. Key findings included lower than national mean satisfaction with career and tutoring services, challenge areas related to Blackboard preparedness, clarity of program requirements and communication channels, and lower levels of satisfaction with the most experienced online students. A presentation and white paper project were created for the university leadership with recommendations for using study results to improve and develop online student services. Social change is expected through improved and expanded online student services as a result of the project study.

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Bernard, Julia M. "Teaching Practitioners in Online Learner Formats." Digital Commons @ East Tennessee State University, 2017. https://dc.etsu.edu/etsu-works/939.

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Practitioner pedagogy can be difficult to manage online. We are teaching professionals to practice without face to face contact. In some cases, technology is available to interact with our students, but it is not the only way of broadening their skills. Teaching family life education and human services using electronic learning formats must incorporate interaction with the student's community. Strategies for engaging students and making them competent professionals will be addressed. Objectives By the end of the presentation attendees will: 1. outline at least three necessary components of a skills based online class. 2. evaluate and discuss barriers to online learning of skills. 3. describe three ways to incorporate practitioner skills into their online course.

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Pullan, Marie. "Support Services for Millennial Undergraduates." NSUWorks, 2013. http://nsuworks.nova.edu/gscis_etd/277.

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Education has changed as a result of technological advances. Distance learning, particularly online learning, has rapidly increased its presence in higher education. Millennials, a new generation of students who have grown up with the Internet, are college-age. They expect access to the Internet to manage their daily lives. However, as they enter college, many discover that support services that are requisite to a successful college experience, are available on-campus but not online. The goal was to determine what contemporary college-aged students expect as online student support services so that institutions will know what to provide. Data gathered through interviews with administrative support staff were used to modify a published survey and to guide construction of new questions. The modified instrument was validated by three experts and revised accordingly. All current students at Farmingdale State College were invited to respond to the web-based instrument that examined the current status of online support services. Following full-scale implementation, the data were analyzed. Results were used to create recommendations and considerations for the implementation of online support services at the college reviewed by the Vice President of Student Affairs and Enrollment Management. The final report is a comprehensive resource for college administrators who serve millennial undergraduates. It contains valuable information and guidance for the development and implementation of student support services in the 21st century. A serendipitous finding was that many non-traditional, older students expressed comparable needs for online support services.

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McLean, Graeme. "Examining the online customer experience during a utilitarian search for online business advisory information and services." Thesis, University of Strathclyde, 2015. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=26569.

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This research aims to further our understanding on online information seeking and the customer's experience during search. The primary focus of this research is to explore the online customer experience during a utilitarian search for business advisory information and services. Previous research has provided an understanding on the process of information seeking, however this research advances our limited theoretical knowledge on the online customer experience moving beyond service quality and the outcomes of the customer experience, thus understanding variables capable of influencing the customer experience while searching for information during a customer's online journey on a business advisory website. In line with this, the research has answered five research objectives: (1) Establish which variables influence the online customer experience during a utilitarian search for online business advisory information and services. (2) Investigate the role of customer emotions while searching for online business advisory information and services. (3) Establish the role of online customer support through social interaction in relation to a customer's experience. (4) Examine the effect of a customer's search success on the online customer experience (5) Develop a comprehensive online customer experience model incorporating variables influencing the customer experience during the initial customer journey to find business information and services. A mixed methods approach was adopted in the research within a pragmatic philosophical underpinning. Due to the limited research within the area of the online customer experience an initial qualitative element was used in order to refine the proposed theoretical framework in the study. The qualitative research was developed based on the literature reviewed with the aim of providing an initial insight into the variables to be tested in the quantitative phase of the study, thus providing comprehensiveness and parsimony. 16 semi structured in-depth interviews were conducted with SMEs from an array of industries. The interviews provided in-depth insight into the variables capable of influencing the online experience and identified those variables to be examined in the quantitative phase of the research. The main quantitative phase of the research consisted of an online experiment aligned with an online questionnaire. The online experiment was conducted on three selected business advisory websites offering business advisory information and services with a sample of 160 participants. Tasks were set up on each website for participants to complete. After the completion of the set of tasks on each website, participants completed the online questionnaire. All 160 responses were completed and usable to test the proposed theoretical model and thus made it suitable for structural equation modelling. The findings of the research outline a number of variables that have been previously overlooked in relation to influencing the online customer experience. The new context of exploring the online customer experience during a utilitarian search for information has furthered our limited theoretical understanding of the online customer experience and online information seeking. This research found that the quality of the information, the credibility of the website, the perceived length of time spent on the website, the success of the search as well as the requirement of online customer support all have an influence on the online customer experience during a utilitarian search for business advisory information and services. In addition, the findings also illustrate an underlying latent variable comprised of website aesthetics, level of control, information quality, website credibility and flow combining together to influence the online customer experience. The findings illustrate a role for the previously unexplored online customer support through synchronised social interaction via functions such as live chat and online help desks. The findings illustrated, should customers require to spend longer searching on the website than perceived necessary or have an unsuccessful search they will require online customer support. Previous research exploring the online customer experience has predominantly explored the outcomes of a positive customer experience, this research has responded to calls for research (Verhoef et al, 2009) and established the variables influencing the customer at specific points during the customer's journey to finding the required information and services on business advisory websites. Key managerial implications for online business advisory providers are discussed in relation to improving the online customer experience. Managers need to be conscious of the variables capable of influencing the customer experience, particularly the length of time customers are required to spend on the website which plays a key mediating role on other influential variables. The focus for managers has been on the importance of customers spending a prolonged period of time on the website as a benchmark of a successful website. This study however highlights to managers of business advisory websites to use such a benchmark with caution as this research finds that the longer customers spend searching on a website for business advisory information and services, the less likely they are to have a positive experience as well as being less likely in having a successful search and requiring online customer support. The key contributions of this research include: The development of a new online customer experience model incorporating the variables capable of influencning the online customer experience including website aesthetics, level of control on the website (ease of use and customisation), the credibility of the website, the quality of the information and flow, while involving the mediating effect of the perceived length of time spent on the website, the need to seek online customer support and the success of the search. The research has introduced and developed a new scale to measure the perceived length of time customers are willing to spend on the website. The reseach has introduced the need for online customer support, with the perceived length of time spent on the website driving the need to seek online customer support. The research has established the sequence of variables influencing the online customer experience during a utilitarian search for business advisory information and services. The research has confirmed a measure for the online customer experience involving cognitive satisfaction with the experience and customer emotions. The research has extended our theoretical understanding of the online customer experience in a new context.

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Alpergin, Firat. "A Network-Centric System Architecture for Online Learning Environments." Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/31913.

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Over the last years, online learning has gained significant popularity, and this trend is expected to continue in the future. Online learning is a multi-dimensional activity where each dimension should be adequately supported by an online learning system to provide a fruitful learning experience to its users.

Similar to online learning, a particular approach in the way systems are designed has gained increasing popularity over the last years as a result of the emergence of the computer network. Systems have started to be envisioned as integrated collections of components that are deployed over the network. This network-centric approach addresses some of the issues that are not directly addressed by the traditional architectural design approaches. We believe that such an approach can be employed for the architectural design of online learning environments (OLEs) where different dimensions of online learning are addressed by different components residing on the network.

This thesis presents a network-centric system architecture for OLEs. The architecture is based on the Service-Oriented Architecture (SOA) paradigm and web services. The proposed architecture is described using a number of Department of Defense Architecture Framework (DoDAF) representations. We also developed a quality model for OLEs and evaluated the architecture using this quality model.

We believe that this research is an important first step in reconciling those two emerging ideas, namely online learning and network-centric architecture. This reconciliation is important as the flexible nature of SOA can be very useful in creating OLEs that address a wide variety of user needs.
Master of Science

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Wilson, Michael E. J. "An online environmental approach to service interaction management in home automation." Thesis, University of Stirling, 2005. http://hdl.handle.net/1893/104.

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Home automation is maturing with the increased deployment of networks and intelligent devices in the home. Along with new protocols and devices, new software services will emerge and work together releasing the full potential of networked consumer devices. Services may include home security, climate control or entertainment. With such extensive interworking the phenomenon known as service interaction, or feature interaction, appears. The problem occurs when services interfere with one another causing unexpected or undesirable outcomes. The main goal of this work is to detect undesired interactions between devices and services while allowing positive interactions between services and devices. If the interaction is negative, the approach should be able to handle it in an appropriate way. Being able to carry out interaction detection in the home poses certain challenges. Firstly, the devices and services are provided by a number of vendors and will be using a variety of protocols. Secondly, the configuration will not be fixed, the network will change as devices join and leave. Services may also change and adapt to user needs and to devices available at runtime. The developed approach is able to work with such challenges. Since the goal of the automated home is to make life simpler for the occupant, the approach should require minimal user intervention. With the above goals, an approach was developed which tackles the problem. Whereas previous approaches solving service interaction have focused on the service, the technique presented here concentrates on the devices and their surrounds, as some interactions occur through conflicting effects on the environment. The approach introduces the concept of environmental variables. A variable may be room temperature, movement or perhaps light. Drawing inspiration from the Operating Systems domain, locks are used to control access to the devices and environmental variables. Using this technique, undesirable interactions are avoided. The inclusion of the environment is a key element of this approach as many interactions can happen indirectly, through the environment. Since the configuration of a home’s devices and services is continually changing, developing an off-line solution is not practical. Therefore, an on-line approach in the form of an interaction manager has been developed. It is the manager’s role to detect interactions. The approach was shown to work successfuly. The manager was able to successfully detect interactions and prevent negative interactions from occurring. Interactions were detected at both device and service level. The approach is flexible: it is protocol independent, services are unaware of the manager, and the manager can cope with new devices and services joining the network. Further, there is little user intervention required for the approach to operate.

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Scellato, Salvatore. "Spatial properties of online social services : measurement, analysis and applications." Thesis, University of Cambridge, 2012. https://www.repository.cam.ac.uk/handle/1810/265547.

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Online social networking services entice millions of users to spend hours every day interacting with each other. At the same time, thanks to the widespread and growing popularity of mobile devices equipped with location-sensing technology, users are now increasingly sharing details about their geographic location and about the places they visit. This adds a crucial spatial and geographic dimension to online social services, bridging the gap between the online world and physical presence. These observations motivate the work in this dissertation: our thesis is that the spatial properties of online social networking services offer important insights about users' social behaviour. This thesis is supported by a set of re.sults related to the measurement and the analysis of such spatial properties. First, we present a comparative study of three online social services: we find that geographic distance constrains social connections, although users exhibit heterogeneous spatial properties. Furthermore, we demonstrate that by considering only social or only spatial factors it is not possible to reproduce the observed properties. Therefore, we investigate how these factors are jointly influencing the evolution of online social services. The resulting observations are then incorporated in a new model of network growth which is able to reproduce the properties of real systems. Then, we outline two case studies where we exploit our findings in real application scenarios. The first concerns building a link prediction system to find pairs of users likely to connect on online social services. Even though spatial proximity fosters the creation of social ties, the computational challenge is accurately and efficiently to discern when being close in space results in a new social connection. We address this problem with a system that uses, alongside other information, features based on the places that users visit. The second example presents a method to extract geographic information about users sharing online videos to understand whether such videos are going to become locally or globally popular. This information is then harnessed to build caching policies that consider which items should be prioritised in memory, thus improving performance of content delivery networks. We summarise our findings with a discussion about the implications of our results, debating potential future research trends and practical applications.

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Mozeik, Celeste K. "Customer adoption of online restaurant services a multi-channel approach /." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 94 p, 2007. http://proquest.umi.com/pqdweb?did=1338866361&sid=7&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Thesis (M.S.H.T.M.)--University of Delaware, 2007.
Principal faculty advisors: Srikanth Beldona and Francis Kwanza, Dept. of Hotel, Restaurant, & Institutional Management. Includes bibliographical references.

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Garczorz, Ingo Albers Sönke. "Adoption von Online-Banking-Services : Determinanten aus Sicht der Kunden /." Wiesbaden : Dt. Univ.-Verl, 2004. http://www.gbv.de/dms/zbw/462033333.pdf.

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Norrington, Peter. "Novel, robust and cost-effective authentication techniques for online services." Thesis, University of Bedfordshire, 2009. http://hdl.handle.net/10547/134951.

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This thesis contributes to the study of the usability and security of visuo-cognitive authentication techniques, particularly those relying on recognition of abstract images, an area little researched. Many usability and security problems with linguistic passwords (including traditional text-based passwords) have been known for decades. Research into visually-based techniques intends to overcome these by using the extensive human capacity for recognising images, and add to the range of commercially viable authentication solutions. The research employs a mixed methodology to develop several contributions to the field. A novel taxonomy of visuo-cognitive authentication techniques is presented. This is based on analysis and synthesis of existing partial taxonomies, combined with new and extensive analysis of features of existing visuo-cognitive and other techniques. The taxonomy advances consistent terminology, and coherent and productive classification (cognometric, locimetric, graphimetric and manipulometric, based respectively on recognition of, location in, drawing of and manipulation of images) and discussion of the domain. The taxonomy is extensible to other classes of cognitive authentication technique (audio-cognitive, spatio-cognitive, biometric and token-based, etc.). A revised assessment process of the usability and security of visuo-cognitive techniques is proposed (employing three major assessment categories – usability, memorability and security), based on analysis, synthesis and refinement of existing models. The revised process is then applied to the features identified in the novel taxonomy to prove the process‘s utility as a tool to clarify both the what and the why of usability and security issues. The process is also extensible to other classes of authentication technique. iii Cognitive psychology experimental methods are employed, producing new results which show with statistical significance that abstract images are harder to learn and recall than face or object images. Additionally, new experiments and a new application of the chi-squared statistic show that users‘ choices of abstract images are not necessarily random over a group, and thus, like other cognitive authentication techniques, can be attacked by probabilistic dictionaries. A new authentication prototype is designed and implemented, embodying the usability and security insights gained. Testing of this prototype shows good usability and user acceptance, although speed of use remains an issue. A new experiment shows that abstract image authentication techniques are vulnerable to phishing attacks. Further, the testing shows two new results: that abstract image visuo-cognitive techniques are usable on mobile phones; and that such phones are not, currently, necessarily a threat as part of observation attacks on visual passwords.

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Hanif, Faisal. "A study of transplant online services for patient-centred care." Thesis, University of Central Lancashire, 2008. http://clok.uclan.ac.uk/20045/.

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This work investigates the uses of the Internet and email in health care and specifically focuses on the use of these technologies in the management and support of patients following kidney transplantation. Health information websites are recognised to differ widely in quality and reliability of their content. This has led to the development of various codes of conduct and rating tools to assess the quality of health websites. However, the validity and reliability of these rating tools and their applicability to different health websites also varies. In principle, rating tools should be available to consumers, require a limited number of elements to be assessed, be assessable in all elements, be readable and be able to gauge the readability and consistency of information provided from a patient's view point. This study addresses the design and evaluation of a patient-centred transplant online service consisting of a website and e-mail communication. The website focuses on providing health education to patients so that they can conveniently obtain useful clinical information, as needed in home or workplace settings. The online service was assessed for its acceptability and usefulness from patient's perspectives and for its efficacy in reducing patient's needs to contact primary or secondary care services regarding day-to-day health issues. The online service was purpose built, informed by a framework developed during this study. The framework can be used by transplant clinicians to develop and maintain their websites. Work to inform the framework included an evaluation of the quality of information found in kidney and liver transplantation websites. This evaluation used both expert reviews, based on a weighted hformation Scoring (IS) system and involving clinicians in the assessment, and user evaluations where patient's Internet use, and their suggestions about, and interest in, transplant websites were elicited. The use of email in answering health related questions in the group of the patients who took part in the study was also evaluated. Whilst the hflernet has made it possible for patients and their families to access vast quantities of information that previously would have been difficult for anyone but a physician or librarian to obtain, an important finding of the research is the existence currently of many poor quality websites. The results indicate overall that readily accessible Internet websites for liver or kidney transplantation patients provide a large quantity of, but poor quality, material. Based on surveys of patients needs, the study reported in this thesis highlights the fact that transplant websites should include information about life style in addition to purely medical-related topics. Incorporation of web tools, like email, is shown to effectively help solve many of the daily health problems of patients with organ transplantation. The transplant online service developed as a part of this study showed high levels of patient acceptability and effectively helped reduce the need for patients to access primary or secondary care. The results of this research support the potential of online services as an innovative approach for patient-centred care in organ transplantation.

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Ali, Liaqat. "E-accessibility of online banking services for visually impaired people." Thesis, University of East London, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.532674.

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The customers of today's global networked economy have higher demands and expectations from their financial institutions. The growing paranoia caused by the cyber criminals' ability to access their unauthorized personal information. Although online banking greatly increases the convenience of banking services especially by making many services accessible virtually anywhere, the issue of accessibility is becoming more stringent to avoid potential threats. In the current population, there are significant numbers that are visually impaired. Unfortunately web developers and designers still think of Web as a purely visual medium and are avoiding the fact that visually impaired people have the equal access rights. This research focuses on the E-accessibility level of online banking services in the European Union and the United States of America by conducting 2072 accessibility tests. The World Wide Web Consortium (W3C) -has provided the standard of the Web Content Accessibility Guidelines (WCAG 1.0). The accessibility tests were conducted using the accessibility tool Bobby-WatchFire-WebXact. The research identified that despite standards set by the W3C, many websites still fall short of E-accessibility. The importance of E-accessibility in developed countries is also acknowledged but unfortunately, the solutions may not be sufficient to support security especially providing the facility of online banking, anytime anywhere, to disabled end users. The security of online banking for visually impaired people is an important issue along with accessibility and goes in parallel. Banks are using additional methods to achieve the extra layers of security but unfortunately not for everyone. In this research, a number of issues have been highlighted according to the perceptions and experiences of the blind and partially blind people, by conducting a Web based survey with the help of RNIB (Royal National Institute for Blind) UK. Conclusions have been made about issues of accessibility and security. The survey conducted by collecting in total 81 responses (63 online responses + 18 interviews). The participants of the survey shared their experiences and barriers in online banking in terms of accessibility and security according to their own perceptions. By analyzing and evaluating 2072 websites to measure the accessibility level in this research, it has been concluded that 66% websites of online banking services in the European Union and 87% in the United States of America do not meet the minimum standard of Web Content Accessibility Guidelines (WCAG 1.0) outlined by W3C. With the advent of additional security devices to enhance the security layers of online banking services, from the tested sample of 81 visually impaired people, this research found that 55% of blind population in United Kingdom, doing online banking previously, now cannot without the help of others. It is likely that the remaining 45% never had the experience of the features being offered to them by their financial institutions. Had they also been come across the situation would have been more aggrieved.

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Packard, Ashley. "Infringement or impingement? : carving out a First Amendment defense for sysops held strictly liable for their subscribers' copyright infringements /." free to MU campus, to others for purchase, 1997. http://wwwlib.umi.com/cr/mo/fullcit?p9841178.

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Luccioni, Carlo. "Online to Onsite - Seeding public collaborative services in Rome's library network context." Thesis, Malmö högskola, Fakulteten för kultur och samhälle (KS), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-23192.

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The purpose of the study has been to execute an investigation on digital collaborative services, and their connections to onsite activities, throughout empirical experimentation, with a combined participatory design methodology and lab approach. The research focused on how an online platform, in addition to onsite events, could seed a public collaborative service. The chosen context for prototyping the service was the Rome’s library network, where during a phase of economic and job crisis, the library role is even more crucial, as one of the most locally active user centered services. The library wants to readdress its mediation ability towards educational activities who present an unsaturated potential, aimed at increasing users long term job potential and labour market orientation. The workshops with local students, library staff, and local NGO, highlighted the need of an online platform in combination with onsite events, that could fill the main gaps that prevent the building of continuos relations with the users, adding a new core touchpoint will change the user experience of the current service, generating a new service flow. The online and onsite service was tested in the month of July 2014, with 5 seminars, and a decent online participation, focusing on the main feature of the service: directly influence the service, to actively choosing its contents, the most voted events’ themes that become seminars. The users are able to adapt the service to their personal needs, making the system modifiable, creating dialog between the users and the service, sharing many communal traits with a meta-design environment.  The current state of the service prototype can not be considered a collaborative service, since the users can reach the role of co-designer - even if can be considered a social innovation project. However this service prototype has the potential to seed a transformation towards a public collaborative service. The user could gradually build a continuos relation to the service, as far as becoming a co-provider.

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Eriksson, Sandra, and Helena Svensson. "E-paper services : Using workshops for exploring services and user value for future users." Thesis, Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-1829.

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The potential for electronic media in the newspaper business is interesting.

The research about electronic media will bring demands on new thinking in

developing new value, income generating services and related business models. An

example of electronic media is electronic paper. This paper explores the added value

and payment methods for the e-paper. We have conducted future workshops with our

target group the reader. On the basis of future workshops this paper shows that

interaction, individualization, improved selection and content, environment friendly

and saving capabilities are necessities for the e-paper to be successful. We suggest

that the e-paper must be more than just an online newspaper for people to buy it.

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Chipeperekwa, Sharon Chironziwa. "Challenges and success factors in introducing information systems for students’ online registration : a case study of a University of Technology." Thesis, Cape Peninsula University of Technology, 2017. http://hdl.handle.net/20.500.11838/2700.

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Thesis (MTech (Business Administration in Project Management))--Cape Peninsula University of Technology, 2017.
The beginning of the 2011 academic year in South Africa saw a number of Institutions of Higher Learning introducing online registration for their students. The efficiency and effectiveness of Information Systems is increasingly becoming a necessity and not an option for many organizations. An information system should be able to allow end users to access information easily and navigate with ease. The selected University of Technology (UoT) in this research is one of the largest public institution of higher learning in the Western Cape Province and boasts of an enrolment of more than 30 000 students per academic year. An observation was made that, during registration students stand in long queues waiting to register or for assistance to register. The system tends to ‘freeze’ whilst students are registering and students are in most cases unfamiliar with the system interface. They constantly have to enquire what to do next when going through online registration process. This study adopted a quantitative approach. The study uses constructs of the updated DeLone and McLean IS success model (2003) to analyse and explain the student’s perceptions of the online registration system. The research was undertaken to establish the student’s perceptions of the online registration system. This research identifies the challenges and success factors of introducing an online registration system, from a students’ perspective, whilst highlighting the extent to which this system has been able to solve problems associated with the manual registration era. The study seeks to assist management and those responsible for managing the current system to determine how well the system is working or not working to achieve user satisfaction. It will also assist them going forward on what to consider before, during and after implementation of an information system. Stemming from the findings of this study, recommendations were made such as making online registration available on mobile devices, online registration orientation can assist students navigate the system easily. The UoT should also consider thorough training for staff that assist students during registration to ensure good service quality.

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Martic, Dusko <1983&gt. "Dispute Resolution for Cloud Services: Access to Justice and Fairness in Cloud-Based Low-Value Online Services." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amsdottorato.unibo.it/8261/1/MARTIC_DUSKO_tesi.pdf.

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The traditional concepts of practicing the law do not follow the pace of the development of the new technologies. Faced with inefficiency and ineffectiveness of the courts regulators are constantly looking into alternatives to increase access to justice and improve efficiency of the dispute resolution mechanisms. The EU has recently enacted ADR and ODR regulations for consumer cross-border disputes. At the same time, we have witnessed parallel attempts from several public bodies and international organisations to introduce the legal framework for the resolution disputes coming out of online transactions. These proposals are in principle focusing on e-commerce aspects of dealing with low-cost consumer/seller disputes. The development of cloud computing services, as a form of e-commerce last decade, raised new issues of applicable law, jurisdiction, access to justice, the legal nature of the disputes, consumer protection etc. To obtain cloud computing services users generally accept a predefined contract of adhesion, where the terms should be accepted on “as is” basis. Non-negotiable predefined terms often tend to be in favor of providers. This research answers do the currently available dispute resolution mechanisms provide adequate means to resolve cross-border low-value disputes between cloud providers and users, and if not, what legal measures can be taken to improve access to justice and fairness in this domain.

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Bradley, Daniel J. (Daniel Joseph). "Impact of the Internet and online services on business research methods." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/10882.

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Sousa, Daniel Passos de. "A communication strategy for continente: proposals to improve the online services." Master's thesis, NSBE - UNL, 2012. http://hdl.handle.net/10362/9620.

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A Work Project, presented as part of the requirements for the Award of a Masters Degree in Management from the NOVA – School of Business and Economics
This project aims to develop an innovative communication strategy to fulfill an unexplored gap in the online services provided by Continente. Thus, the proposals presented emerged from the opportunity to explore the characteristics of the new customer profile – an up-to-date technology user, looking for convenience – that are not being suitably addressed by the brand. The proposed communication strategy is based on the findings of the market research conducted and matched with the brand’s strategic objectives for the future.

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Naicker, Prian. "Adoption of online legal services by law firms in South Africa." Diss., University of Pretoria, 2017. http://hdl.handle.net/2263/64893.

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The legal profession is in the midst of a disruption that has been ignited by technology and fanned by legal entrepreneurs. The fate of todays law firms, lie in their ability to escape from the confines of the Òpractical artÓ that has existed for centuries. Conflicted by the trade-off between efficiency and revenue generation, the jury is still out on the adoption of online legal services by law firms. Academics have not paid much attention into low innovation industries. The legal industry is one such industry that is relatively understudied from a technology adoption perspective. This research study used the technology-organisation-environment (TOE) framework to identify six factors which were posited to influence the adoption of online legal services within the legal industry in South Africa. Data collected from an online survey targeted at lawyers currently employed or associated with law firms operating in South Africa yielded a total of 120 usable responses. The study found perceived compatibility to be the only adoption factor which significantly influences the adoption of online legal services in South Africa. The versatility of the TOE framework was demonstrated by its ability to understand technology adoption in a new context. The study concluded that the TOE framework can be improved upon if it took into account the maturity level of the technology being studied. The findings are positioned to help practitioners gain a better understanding of the state of online legal services adoption in South Africa and the offers practical suggestions on how law firms can survive in a virtual world in demand of commoditised legal services.
Mini Dissertation (MBA)--University of Pretoria, 2017.
nk2018
Gordon Institute of Business Science (GIBS)
MBA
Unrestricted

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Anderson, Joanna M., Sandra Lee Hawes, Farzaneh Razzaghi, and Johanna Tunon. "Best Practices for Embedded Librarians: Strategies for Successful Online Library Services." Digital Commons @ East Tennessee State University, 2012. https://dc.etsu.edu/etsu-works/394.

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Chudán, David. "Selected applications and services of the web 2.0." Master's thesis, Vysoká škola ekonomická v Praze, 2008. http://www.nusl.cz/ntk/nusl-5288.

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Submitted thesis is divided into two main parts. The first part is theoretical, focused on description of individual part of web 2.0 and on description of chosen applications and services. Second, practical part is focused on comparison of selected applications of web 2.0. To be more concrete, it is focused on blogging system comparison, online word processor comparison and on online maps comparison. In the appendix, there is own survey based on a questionnaire. The main objective of this thesis is to provide general summary of this issue. Besides delimitation of the term web 2.0, it is a summary of applications and services, which achieves the characteristics of web 2.0. As for subsidiary objectives, there is a possibility for users to choose optimal blogging system, online word processor or online map due to their demands. This possibility is based on conducted comparison.

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Dissertations / Theses on the topic 'Online services'

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