Dissertations / Theses on the topic 'Interorganisational Information Systems and Web Services'
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Singh, Raj R. (Raj Richard). "Collaborative urban information systems : a Web services approach." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/28783.
Full textIncludes bibliographical references (p. 181-186).
(cont.) to encourage the interconnection of planning and mainstream information technology. We find that the PAMML framework can lower costs by leveraging mainstream technology, simplify the most basic data sharing activities, yet still allow organizations with different levels of technical sophistication to collaborate. PAMML captures the semantics of spatial planning problems, allowing them to be decomposed into fundamental information processing operations. Regarding user interfaces, we show that PAMML's structure allows multiple end user applications aimed towards different audiences to be easily built from the same core PAMML document.
This thesis examines systemic problems with the way information is managed and processed in planning support systems. We find evidence of these problems when we attempt to: develop an analysis without spending most of the time gathering and organizing data sets; or build an analysis that can be re-run at low cost; or implement systems that interact collaboratively with those of other experts. This research starts with the hypothesis that these problems are related and systemic, and that a new paradigm of information management is needed if we can hope to address them effectively. The research is divided into two main sections. First, we develop a theory about how information flows within and across planning organizations, and use the MassGIS buildout analysis to understand how physical planning is done in a cross-jurisdictional, real-world setting. We find that modern organizations do are good at creating and disseminating information, but find it difficult to keep users' copies of published information up-to-date. Furthermore, the technology for building interactive front-ends to analytic models is poorly matched to user needs, and the technology for enabling cross-organization collaborative analysis is non-existent. In the second part of the thesis, we re-architect the information framework, guided by our new theoretical foundation and findings from practice. This new framework is based on Web services, an emerging technology for connecting information systems across organizations. It is called the Planning Analysis and Modeling Markup Language framework, or PAMML, consisting of an information processing vocabulary expressed in XML Schema, Web services based on the schema, and guidance on how to best use the framework
by Raj R. Singh.
Ph.D.
Arockiasamy, Britto N. "Trustworthiness of Web Services." UNF Digital Commons, 2014. http://digitalcommons.unf.edu/etd/531.
Full textSchwarz, Michael. "Web Services och säkerhet : - en studie i tekniker för att säkra Web Services." Thesis, Växjö University, School of Mathematics and Systems Engineering, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:vxu:diva-1013.
Full textAnvändandet av Web Services har ökat de senaste åren, det är relativt lätt att utveckla dessa tjänster och de kan användas i de allra flesta miljöer. Ett bekymmer är dock säkerhetsfrågan. Denna uppsats studerar de vanligaste teknikerna för att säkra Web Services, beskriver hur de kan användas samtidigt diskuterar fördelar och nackdelar med flera av dem. Till sist ges förslag på hur Web Services i olika typer av miljöer kan säkras.
The usage of Web Services has increased during recent years, its relatively easy to develop and can be used in almost any environment. One concern however is the security aspect. This essay studies the most common techniques for securing Web Services and describes how they can be used. It also discusses some pros and cons about them. Finally this paper suggests some ways to secure Web Services used in different environment.
Tschirch, Victoria. "Web 2.0 and it's implications for business with case studies from Germany and new Zealand : a dissertation submitted in partial fulfilment of the requirements for the degree of Master of Business (Information technology), 2009." Click here to access this resource online, 2009. http://hdl.handle.net/10292/653.
Full textChuindja, Ngniah Christian. "Application of Web Mashup Technology to Oyster Information Services." ScholarWorks@UNO, 2012. http://scholarworks.uno.edu/td/1568.
Full textCheong, Io Peng. "The semantic Web services framework for automating SOA-based systems." Thesis, University of Macau, 2006. http://umaclib3.umac.mo/record=b1446083.
Full textKyusakov, Rumen. "Efficient Web Services for End-To-End Interoperability of Embedded Systems." Doctoral thesis, Luleå tekniska universitet, EISLAB, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-18129.
Full textGodkänd; 2014; 20140909 (rumkyu); Nedanstående person kommer att disputera för avläggande av teknologie doktorsexamen. Namn: Rumen Kyusakov Ämne: Industriell elektronik/Industrial Electronics Avhandling: Efficient Web Services for End-To-End Interoperability of Embedded Systems Opponent: Dr Frank Golatowski, Institute of Applied Microelements and CE, University of Rostock, Rostock-Warnemüende, Germany Ordförande: Biträdande professor Jens Eliasson, EISLAB, Institutionen för system- och rymdteknik, Luleå tekniska universitetet, Luleå Tid: Tisdag den 4 november 2014, kl. 13:00 Plats: A109, Luleå tekniska universitet
Embeddable EXI implementation in C, Architecture for Service-Oriented Process – Monitoring and Control, Arrowhead
Ahlberg, Viktor. "Användandet av web services inom 24–timmarsmyndigheten." Thesis, University of Skövde, School of Humanities and Informatics, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-1002.
Full textRegeringen har en vision att en given fråga skall besvaras med ett samlat svar från flera myndigheter. För att lyckas med detta måste myndigheterna samarbeta i en större utsträckning än vad som sker i dag. Speciellt viktigt är det att information kan utbytas mellan myndigheterna på ett effektivt sätt. För att lyckas med detta så har statskontoret gått ut med att web services är en teknik som kan användas. Om tekniken skall kunna användas ut fullt krävs att det finns ett gemensamt register.
I det här arbetet används enkäter för att undersöka i vilken utsträckning web services användes inom myndigheterna i dag, samt för att undersöka myndigheternas inställning till tekniken. Det visade sig att det fins en positiv inställning till web services. Dock finns det inget gemensamt register, vilket är oroande då det kan bidra till att dra ner tjänsteutbytet mellan myndigheterna.
Zhang, Jing Kai. "An investigation on system interoperability in healthcare information systems based on the web services." Thesis, University of Surrey, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.442674.
Full textDeng, Yanbo. "Using web services for customised data entry." Master's thesis, Lincoln University. Environment, Society and Design Division, 2007. http://theses.lincoln.ac.nz/public/adt-NZLIU20080313.185408/.
Full textAl, Asswad Mohammad Mourhaf. "Semantic information systems engineering : a query-based approach for semi-automatic annotation of web services." Thesis, Brunel University, 2011. http://bura.brunel.ac.uk/handle/2438/5441.
Full textGupta, Chaitali. "Web services query matchmaking with automated knowledge acquisition." Diss., Online access via UMI:, 2007.
Find full textCandell, Olov. "Development of information support solutions for complex technical systems using eMaintenance." Doctoral thesis, Luleå : Division of Operation and Maintenance Engineering, Luleå University of Technology, 2009. http://pure.ltu.se/ws/fbspretrieve/3353781.
Full textSchneider, Jan, Héctor Cárdenas, and José Alfonso Talamantes. "Using Web Services for Transparent Access to Distributed Databases." Thesis, Jönköping University, JTH, Computer and Electrical Engineering, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-940.
Full textThis thesis consists of a strategy to integrate distributed systems with the aid of web services. The focus of this research involves three subjects, web services and distributed database systems and its application on a real-life project.
For defining the context in this thesis, we present the research methodology that provides the path where the investigation will be performed and the general concepts of the running environment and architecture of web services.
The mayor contribution for this thesis is a solution for the Chamber Trade in Sweden and VNemart in Vietnam obtaining the requirement specification according to the SPIDER project needs and our software design specification using distributed databases and web services.
As results, we present the software implementation and the way or software meets and the requirements previously defined. For future web services developments, this document provides guidance for best practices in this subject.
Dong, Zhu. "Challenges and Opportunities in Migrating to Web-based Informations Services : Perspective of Web-based Enterprise." Thesis, Jönköping University, JIBS, Business Informatics, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-7425.
Full textFor now, vastly growing Web-technology has matured enough to become an attractiveplatform for business applications and organizational information systems. Indeed, largeand small organizations are increasing their investment in Web-based Information Systems(IS) resources, such as Electronic Commerce, Intranets and Extranets. As DIWA(1999) explained that Web technology is often presented as a 'revolution' in informationsystem technologies in the business press, which could propel change from static, hierarchicalstructures to more dynamic, flexible and 'knowledge-based' organizationalforms. To the companies, more and more legacy information and database systems arebeing migrated to Web-based environments.
This research aims to analyse and advise enterprises to be Web-based enterprise withchallenges and opportunities.
During the research, the author investigated a company that were using the Web-based(applications made available via the World Wide Web) information service. For obtainingreliable conclusions and delivering valuable advises, various research methods wereadopted by the author including qualitative research methodology, analysis, interviews,and literature study. Data was collected through lecture review and in-depth interviews.
Undoubtedly, there are some troubles existed in migrating, such as technologies for restructureinformation system structure, resource distribution, benefit analysis, planningand management, operation and maintenance etc.
But still obviously, as the research shows that there are many benefits can be got followsthe implementation of Web-based solution, which includes improving efficiency,modernizing company IT environment, providing better IS/IT systems’ maintenanceand providing more agility and functionality etc.
Sunku, Suresh. "A Performance Analysis of Distributed Algorithms in JavaSpaces, CORBA Services and Web Services." UNF Digital Commons, 2003. http://digitalcommons.unf.edu/etd/255.
Full textFalkcrona, Jerry. "Role-based access control and single sign-on for Web services." Thesis, Linköping University, Department of Electrical Engineering, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-11224.
Full textNowadays, the need for sharing information between different systems in a secure manner is common, not only in the corporate world but also in the military world. This information often resides at different locations, creating a distributed system. In order to share information in a secure manner in a distributed system, credentials are often used to attain authorization.
This thesis examines how such a distributed system for sharing information can be realized, using the technology readily available today. Accounting to the results of this examination a basic system is implemented, after which the overall security of the system is evaluated. The thesis then presents possible extensions and improvements that can be done in future implementations.
The result shows that dynamic roles do not easily integrate with a single sign-on system. Combining the two technologies leads to several synchronization issues, where some are non-trivial to solve.
Chilappagari, Sairam. "Role of web services for globally distributed information retrieval systems in a grid environment implementation and performance analysis of a prototype /." Fairfax, VA : George Mason University, 2008. http://hdl.handle.net/1920/3220.
Full textVita: p. 108. Thesis director: J. Mark Pullen. Submitted in partial fulfillment of the requirements for the degree of Master of Science in Computer Science. Title from PDF t.p. (viewed Aug. 28, 2008). Includes bibliographical references (p. 101-107). Also issued in print.
Nomdoe, Herschel Gordon. "Evaluating web-based information systems effectiveness : an e-service quality multi-stakeholder perspective." Thesis, Cape Peninsula University of Technology, 2007. http://hdl.handle.net/20.500.11838/1370.
Full textOver a period spanning approximately twenty five years Information Systems (IS) researchers have been plagued by the problem of how to evaluate IS effectiveness or success. After the advent of the World Wide Web (WWW) in the 1990s, questions have arisen regarding the relevance of previously established evaluation approaches to the evaluation of web-based IS. Subsequently, firms have invested billions of dollars anually in information systems but the lack of appropriate frameworks for evaluating their effectiveness made it difficult to determine the return on IS investment. In a period spanning 20 years IS researchers proposed a diverse number of approaches e.g. the communications research of Shannon and Weaver (1949) and the information "influence theory" of Mason (1978). These were subsequently incorporated into a single model in 1992, called the IS Success Model (Delone & McLean, 1992). The principal objective of this research project was to develop a generic methodology for web-based Information Systems (IS) success evaluation from a multi-stakeholder perspective for specific IS contexts. The Delone and McLean IS Success Model (Delone and McLean, 1992) provides an underpinning framework for measuring IS effectiveness. In the latter 1990's the concept of service-quality was introduced into the IS effectiveness literature. In their updated IS Success Model, Delone and McLean (2003) then included service quality as key measure in the evaluation of IS success. Consequently this research project focused on how service quality concepts could be applied as a measure of IS effectiveness within e-commerce. A 3-pronged approach to IS evaluation was proposed viz. identification of generic stakeholder groups such as e-Customer, sponsoring manager, internal users etc.; identification of the context of the IS evaluation for each stakeholder i.e. what is the main function and context of operation of the IS; and lastly identification of stakeholder specific e-SQ criteria. The study demonstrates that the success of IS deployed within online environments, could be evaluated and measured differently by each stakeholder for the various e-Service Quality (e-SQ) dimensions within a particular IS context. The study presents the results of an investigation into a web-based IS at a national telecommunications company in South Africa which was evaluated using e-Service Quality (e-SQ) constructs. The study demonstrates the operationalisation of an e-SQ instrument for the purposes of evaluating IS effectiveness amongst multi-stakeholders. Evidence is provided that measuring attitudes of different stakeholders provides a more holistic perspective of IS success. The primary conclusion reached is that by using a step-by-step methodology of IS success measurement, the objective of establishing whether companies have received a return on web-based IS investment, can be achieved. Furthermore, the outcomes of the study has contributed to existing literature on IS effectiveness measurement. In particular, it will add to the existing body of knowledge regarding the use of e-SQ instrument to evaluate multi-stakeholder perceptions.
Nilsson, Hmapus. "Utvärdering av stödet för utveckling av Web Services i J2EE och .NET." Thesis, University of Skövde, School of Humanities and Informatics, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-1008.
Full textFör att underlätta program-till-programkommunikation har SOA (Service Oriented Architecture) utvecklats. SOA har som mål att bidra med riktlinjer för att det ska bli lättare för två applikationer att kommunicera med varandra (Samtani & Sadhwani 2002a). Web Services är en standard som bygger på SOA-arkitekturen och det som gör Web Services speciellt är att tekniken ska vara plattforms- och språkoberoende (Clabby, 2003).
Sun och Microsoft har utvecklat varsin plattform för utveckling av Web Services-applikationer. I denna rapport genomförs en litteraturstudie för att undersöka vilket stöd plattformarna har för utveckling av Web Services och för att ta reda på vilka skillnader som finns mellan plattformarna. Skillnaderna undersöks sedan för att se om de kan leda till problem då en användare vill integrera Web Services skrivna i olika plattformar.
Resultatet i denna rapport visar att de båda plattformarna har ett bra stöd för att utveckla Web Service-applikationer. Båda plattformarna tillhandahåller flera olika funktioner och klasser för att underlätta för utvecklaren. Jämförelsen mellan plattformarna visar att det är de plattformsspecifika datatyperna som kan ställa till problem vid integrering av Web Services skrivna på olika plattformar.
Sauvinet, James A. "Semantic Services for Enterprise Data Exchange." ScholarWorks@UNO, 2013. http://scholarworks.uno.edu/td/1783.
Full textLiang, Geng. "Towards a more flexible inter-organizational workflow design the application of local criteria principle /." Access electronically, 2006. http://www.library.uow.edu.au/adt-NWU/public/adt-NWU20070208.102831/index.html.
Full textJohnson, Julie Ann. "You don't know what you don't know: Investigating the information needs of clients of web based public sector information services." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2011. https://ro.ecu.edu.au/theses/410.
Full textGomis, Marie-Joseph. "Web-based ERP systems: the new generation : case study: mySAP ERP." Thesis, Jönköping University, JTH, Computer and Electrical Engineering, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-7711.
Full textWith the proliferation of Internet, ERP systems like all the domains of Information Technology have known an important evolution. This final thesis project is a study about the evolution of ERP systems, more precisely about their migration to the Web giving birth to a new generation of systems: the Web-Based or Web-enabled ERP systems. This migration to the Web is justified by the difficulty of making possible the communication between partner’s legacy systems and the organizations’ ERP systems. A historical evolution of these systems is presented in order to understand the reasons that lead vendors to adopt the Web Service Technology. Based on different studies, the main technologies such as Web services, Service-Oriented Architecture and Web Application server are also presented. From an interpretative research approach mySAP ERP has been chosen as a case study. This Master’s thesis has been led into AIRBUS France Company within the framework of the SAP Customer Competence Center (SAPCCC) Web site project. The project is aimed at re-building the SAPCCC Web site. The new characteristic of the Web site is to make it accessible by all AIRBUS partners working with SAP applications. To make the Web site accessible by the partners from their own applications located on their own platforms the development has been done thanks to mySAP ERP which is an ERP using the Web service technology. Finally, this thesis presents a comparative study between traditional ERP systems and the new generation of Web-based ERP systems.
Sun, Hua. "Telephone directory web service." CSUSB ScholarWorks, 2003. https://scholarworks.lib.csusb.edu/etd-project/2421.
Full textSingh, Nisheet. "Sense Respond Environment for Adaptive Participatory Services." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1274975205.
Full textNguyen, Huy Manh. "MABIC: Mobile Application Builder for Interactive Communication." TopSCHOLAR®, 2016. http://digitalcommons.wku.edu/theses/1747.
Full textLiu, Liwei. "The implication of context and criteria information in recommender systems as applied to the service domain." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/the-implication-of-context-and-criteria-information-in-recommender-systems-as-applied-to-the-service-domain(c3b8e170-8ae0-4e5c-a9b1-508f9c54316a).html.
Full textDrivas, Ioannis C. "Improving the Visibility and the Accessibility of Web Services. A User-Centric Approach." Thesis, Linnéuniversitetet, Institutionen för informatik (IK), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-66893.
Full textLin, Tai-jung. "Restaurant recommendation system (RRS)." CSUSB ScholarWorks, 2006. https://scholarworks.lib.csusb.edu/etd-project/3009.
Full textHo, Yu-Feng. "PDF Receipts: A micro-based-payment web service." CSUSB ScholarWorks, 2004. https://scholarworks.lib.csusb.edu/etd-project/2714.
Full textAcheampong, Faustina. "Development of Web-based Health Care Services in Swedish County Councils : Strategies, Usage and Challenges." Thesis, Jönköping University, JIBS, Business Informatics, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-13061.
Full texteHealth has been adopted by many countries across the globe in response to cut down cost and improve the quality of life. Sweden has been engaged in providing web-based health care services for its citizens for the past decade and county councils have the responsibility to develop them. The main aim of this thesis is to present answers to the following research questions:What strategies (formal and informal) guide the development of web-based health care services provided by the Swedish county councils?What barriers exist in relation to the development and usage of web-based health care services provided by the county councils from the viewpoint of their IT leaders?From the perspective of IT leaders in the county councils and in their capacity to develop, manage and monitor their organizations‘ website content, which web-based health care services are mostly accessed by users and what age group utilize the services most?The thesis is an exploratory research conducted through a survey based on a mail questionnaire that was posted to all 21 county councils in Sweden with 18 councils responding. The results show that all county councils have formally adopted the National eHealth Strategy to guide the development of web-based health care services and some have other informal strategies as well. Technological barriers, resistance to use the web-based services and changing business process to integrate ICTs have been identified by IT leaders as major challenges that impede the development of web-based health care services in Swedish county councils. Swedish citizens more frequently access prescription renewal and booking and cancellation of appointments than other available web-based health care services which depicts a trend towards the use of advanced interactive services than basic information seeking, and people in the ages of 46 to 55 have been identified as the frequent users of web-based health care services according to IT leaders from the county councils.
Fernandes, Mário Nuno de Oliveira. "Benefícios dos sistemas de informação inter-organizacionais : o caso da receita médica electrónica." Master's thesis, Instituto Superior de Economia e Gestão, 2007. http://hdl.handle.net/10400.5/18915.
Full textActualmente, poucas são as organizações que conseguem sobreviver sem estabelecerem parcerias de negócio com outras organizações. A utilização de sistemas de informação inter-organizacionais como suporte para o estabelecimento dessas relações traz grandes benefícios para as partes envolvidas. Um desafio crítico para os gestores seniores de uma organização é determinar quais os melhores investimentos para a sua arquitectura de sistemas de informação. A identificação dos potenciais benefícios que um investimento num novo sistema de informação possa proporcionar toma-se num processo fundamental, ajudando a organização a obter um melhor portfolio aplicacional e a maximizar os proveitos do investimento. Este trabalho de investigação procura contribuir para uma melhoria no processo de identificação dos potenciais benefícios que a introdução de um sistema de informação inter-organizacional pode proporcionar às organizações envolvidas. É analisado o caso da implementação do sistema de informação inter-organizacional da receita médica electrónica no território português. Este sistema de informação permite a troca de informação sobre receitas médicas entre os sistemas de saúde, as entidades prescritoras, as farmácias e os utentes. Para identificar os potenciais benefícios do sistema de informação, foi desenvolvido um framework, específico para os sistemas de informação inter-organizacionais que ajuda os gestores no processo de identificação dos potenciais benefícios que a implementação de um sistema deste tipo pode proporcionar.
Very few organizations are nowadays able to survive without establishing partnerships with other organizations. Therefore, the utilization of inter-organizacional information systems, used to support those partnerships, will bring huge benefits to ali parties involved. A difficult challenge for any sénior manager of an organization is to determine whose the best investments are suitable for the existent information systems architecture. The identification of ali potential benefits that the investment made in a new information system may bring, is itself a fundamental work that will help the organization to have a better application portfolio and to maximize the investment made. This investigation study aims to contribute finding a better process of identifying the potential benefits that the introduction of a new inter-organizacional information system may offer to the entities involved. It is studied the case of the implementation of an inter-organizacional information system of electronic medicai prescription in Portuguese territory. The information system in analysis allows the interchange of information conceming medicai prescriptions, between the health care system, the prescriptive entities, the pharmacies and the patients. In order to identify the potential benefits of that information system, it was developed a framework, specially designed for inter-organizacional information systems, that helps the managers in the process of identifying the potential benefits arisen by the implementation of a system like this.
info:eu-repo/semantics/publishedVersion
Logofatu, Cristina. "Improving communication in a transportation company by using a Web page." CSUSB ScholarWorks, 2004. https://scholarworks.lib.csusb.edu/etd-project/2520.
Full textLundin, Johannes, and Hannes Kalisky. "Användbarhet och kvalitet : en utvärderande studie av en webbtjänst." Thesis, Uppsala universitet, Institutionen för informatik och media, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-226801.
Full textServices on the Internet are not a new concept. There are countless suppliers of various types of services, online stores, and portals. When creating Web services it can be hard to predict how it will be used once launched. The time between idea and finished product time is rarely prioritized for design of good usability. Good usability is important because it provides increased productivity and other business benefits in terms of fewer errors and better quality.This study deals with how to evaluate Web services based on how users perceive quality and how it meets their needs of user satisfaction. The study also deals with how to conduct an evaluation, partly theoretical and partly practical through the use of a survey. The purpose is to explain what quality of service is and what aspects affect how users experience it. The study has a real presence in that an evaluative survey is conducted on a Web service created for estate agents by Valueguard AB.The study is conducted using questionnaires answered by active users of the web service. Various aspects that affect the quality was investigated and resulted in a clear correlation between perceived quality and satisfaction. It was also confirmed that usability has a very large impact on perceived quality.
Tuna, Buket. "A web based IT support tracking system." CSUSB ScholarWorks, 2004. https://scholarworks.lib.csusb.edu/etd-project/2542.
Full textScroggins, Darryl Dwaine. "Web-based independent study program." CSUSB ScholarWorks, 2005. https://scholarworks.lib.csusb.edu/etd-project/2628.
Full textPedronette, Daniel Carlos Guimarães 1983. "Uma plataforma de serviços de recomendação para bibliotecas digitais." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/276088.
Full textDissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Computação
Made available in DSpace on 2018-08-11T00:55:04Z (GMT). No. of bitstreams: 1 Pedronette_DanielCarlosGuimaraes_M.pdf: 7416929 bytes, checksum: be0fe860604d3545272fbe4bd4aaa8df (MD5) Previous issue date: 2008
Resumo: Em virtude do crescimento acelerado de conteúdo nas mais diversas aplicações de bibliotecas digitais, a tarefa de localizar objetos digitais de interesse é cada vez mais desafiadora. Sob essa perspectiva, técnicas de recomendação procuram prover, de acordo com as preferências do usuário final, alternativas de escolha de objetos mantidos em uma biblioteca digital. Essa dissertação concentra-se em aspectos relacionados às técnicas de recomendação e suas interações com aplicações de bibliotecas digitais. Uma plataforma de serviços de recomendação, chamada RecS-DL, é proposta, visando ampliar as possibilidades de utilização das ferramentas de recomendação. A Plataforma RecS-DL apresentada é independente de domínio de aplicação, de tecnologias e técnicas de recomendação. O serviço de recomendação oferecido pode ser facilmente agregado a bibliotecas digitais clientes, assim como novos mecanismos de recomendação podem ser acoplados à plataforma de maneira dinâmica. Este trabalho também apresenta uma especificação formal da plataforma de serviços de recomendação proposta a partir do Arcabouço 5S. Para isso foram propostas novas definições e extensões de conceitos deste arcabouço. Por fim, são apresentados os resultados obtidos a partir de testes realizados com a plataforma. Experimentos foram conduzidos considerando bibliotecas digitais reais e avaliações por potenciais usuários. Resultados experimentais ratificam a hipótese de que a plataforma facilita a interoperabilidade de ferramentas de recomendação em bibliotecas digitais
Abstract: The increasing amount of data in the most diverse digital libraries applications makes the process of finding relevant digital objects a challenging task. From this perspective, recommendation techniques can provide, according to user preferences, relevant digital objects stored in a digital library.This dissertation focuses on recommendation techniques and their interactions with digital libraries applications. A platform for recommendation services, called RecS-DL, has been proposed to support the use of recommendation tools. The proposed RecS-DL Platform is independent of application domain, technology, and recommendation techniques. The recommendation services offered by the platform can be easily incorporated into digital libraries systems. Furthermore, new recommendation engines can also be plugged into the platform in a dynamic way. This work also presents a formal specification of the proposed platform, using the 5S Framework. To do this, new definitions and extensions of this framework are proposed. Finally, we present the results obtained from tests performed with the platform. Experiments were conducted considering real digital libraries and evaluations made by potential users. Experimental results confirm that the platform facilitates the interoperability of recommendation tools in digital libraries systems
Mestrado
Sistemas de Informação
Mestre em Ciência da Computação
Ab, Hamid Noor Raihan. "An Assessment of the Internet's Potential in Enhancing Consumer Relationships." [Melbourne : Victoria University], 2006. http://eprints.vu.edu.au/524/1/01front.pdf.
Full textRobles, Luna Esteban. "Agile managing of web requirements with WebSpec." Tesis, Universidad de Alicante, 2011. http://hdl.handle.net/10915/4197.
Full textEste trabajo ha sido parcialmente financiado por los siguientes proyectos: Mantra (GV/2011/035), Ministerio de Valencia, MANTRA (GRE09-17) de la Universidad de Alicante y por el MESOLAP (TIN2010-14860) proyecto del Ministerio de Educación y Ciencia de España.
Chandra, Smita, and Vivek Patkar. "ICTS: A catalyst for enriching the learning process and library services in India." Elsevier, 2007. http://hdl.handle.net/10150/106060.
Full textHallberg, Andreas. "A protocol for decentralized video conferencing with WebRTC : Solving the scalability problems of conferencing services for the web." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-202963.
Full textVideokonferenser har varit en del av många olika kommunikationsplattformar genom åren. Tekniken har yttats från dedikerade telefonnnät,, till Internet, och på senare tid till webben. I och med introduktionen av WebRTC (Web Real-Time Communication) är deti dag möjligt att enkelt deltaga i röst- och videosamtal genom att gå till en webbsida utan att behöva installera någon programvara annat an en webbläsare. De flesta existerande konferenstjänster är byggda med en centraliserad arkitektur, vilket kan leda till tekniska problem när antalet användare ökar eller när fel uppstår i systemens centrala servrar. Dessa problem kan leda till driftstopp och skada tjänstens tillgänglighet för användarna. Den här rapporten täcker utvecklingen av ett protokoll som tillsammans med WebRTC kan användas för att bygga en helt decentraliserad konferenstjänst. Målet är att tjänsten ska vara oberoende av centrala servrar, och på så vis lösa problemen med skalbarhet och tillgänglighet. Protokollet implementeras i en webbapplikation som testas och utvärderasöver flera iterationer för att hitta nya förbättringar. Testerna visar lovande resultat. Slutsatsen dras det är fullt möjligt att bygga en konferenstjänst på detta sätt, och möjligheter för framtida optimeringar och testfall föreslås.
Garcia, Diego Zuquim Guimarães 1982. "Incorporação de qualidade de serviço no modelo de serviços Web." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/276261.
Full textDissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Computação
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Resumo: A tecnologia de serviços Web possui algumas propriedades importantes para o desenvolvimento e a execução de aplicações distribuídas. Entretanto, ela ainda não oferece apoio para tratar as características não-funcionais dos serviços. Os consumidores de serviços Web podem requerer serviços com parâmetros de qualidade específicos e esperar garantias de níveis de qualidade. O objetivo desta dissertação é estender o modelo de serviços Web para apoiar a gerência de características não-funcionais para serviços Web. O modelo proposto inclui mediadores para auxiliar na descoberta de serviços de acordo com os requisitos funcionais e não-funcionais dos consumidores e monitores para verificar os atributos de qualidade. As principais contribuições desta dissertação são: a utilização do padrão Web Services Policy Framework (WS-Policy) para complementar as descrições de serviços Web Services Description Language (WSDL) com políticas para atributos de qualidade; uma extensão para o padrão Universal Description Discovery & Integration (UDDI) para a publicação e a descoberta de serviços Web incluindo características nãofuncionais; e o monitoramento e a atualização de características não-funcionais para refletir os atributos reais dos serviços
Abstract: Although the Web service technology allows the development and execution of distributed applications, it still lacks facilities to deal with Quality of Service (QoS). Consumers may require services with particular non-functional characteristics and expect quality level guarantees. The goal of this thesis is to propose an extended Web service architecture supporting QoS management for Web services. It includes brokers to facilitate service selection according to functional and non-functional requirements and monitors to verify QoS attributes. The main contributions of this approach are: the use of the Web Services Policy Framework (WS-Policy) standard to complement Web Services Description Language (WSDL) specifications with QoS policies; an extension to the Universal Description Discovery & Integration (UDDI) standard for QoS-enriched Web service publication and discovery; and QoS updating to reflect actual service attributes
Mestrado
Mestre em Ciência da Computação
Ab, Hamid Noor Raihan. "An Assessment of the Internet's Potential in Enhancing Consumer Relationships." Thesis, [Melbourne : Victoria University], 2006. https://vuir.vu.edu.au/524/.
Full textPaiva, Nogueira Tales. "A Framework for Automatic Annotation of Semantic Trajectories." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAM004/document.
Full textLocation data is ubiquitous in many aspects of our lives. We are witnessing an increasing usage of this kind of data by a variety of applications. As a consequence, information systems are required to deal with large datasets containing raw data in order to build high level abstractions. Semantic Web technologies offers powerful representation tools for pervasive applications. The convergence of location-based services and Semantic Web standards allows an easier interlinking and annotation of trajectories.In this thesis, we focus in modeling mobile object trajectories in the context of the Semantic Web. First, we propose an ontology that allows the representation of generic episodes. Our model also handles contextual elements that may be related to trajectories. Second, we propose a framework containing three algorithms for automatic annotation of trajectories. The first one detects moves, stops, and noisy data; the second one is able to compress generic time series and create episodes that resumes the evolution of trajectory characteristics; the third one exploits the linked data cloud to annotate trajectories with geographic elements that intersects it with data from OpenStreetMap.As results of this thesis, we have a new ontology that can represent spatiotemporal phenomena at different levels of granularity. Moreover, our framework offers three novel algorithms for trajectory annotation. The move-stop-noise detection method is able to deal with irregularly sampled traces and do not depend on external data of the underlying geography; our time series compression method is able to find values that summarize a series at the same time that too small segments are avoided; and our spatial annotation algorithm explores linked data and the relationships among concepts to find relevant types of spatial features to describe the environment where the trajectory took place
Chen, Tang-Li. "Designing secure, JAVA based online registration systems to meet peak load performance targets." CSUSB ScholarWorks, 2004. https://scholarworks.lib.csusb.edu/etd-project/2767.
Full textGonzales, Malaverri Joana Esther 1981. "Um serviço de gerenciamento de coletas para sistemas de biodiversidade." [s.n.], 2009. http://repositorio.unicamp.br/jspui/handle/REPOSIP/275981.
Full textDissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Computação
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Resumo: A pesquisa em biodiversidade requer correlacionar dados sobre seres vivos e seus habitats. Essas correlações podem ser de varios tipos, integrando desde relacionamentos espaciais a especificações ambientais (descrições do habitat ou ecossistema). Sistemas de Biodiversidade são sistemas de software complexos que permitem aos pesquisadores realizar tais analises. A complexidade desses sistemas varia com os dados manipulados, os usuários visados e o ambiente em que são executados. Um problema que deve ser enfrentado, especialmente no ambiente Web, é a heterogeneidade dos dados, agravado pela diversidade dos vocabularios dos usuarios. Esta dissertação contribui para resolver tal problema, apresentando um modelo de banco de dados que permite organizar informações de biodiversidade a partir de padrões mundiais de dados. O modelo proposto combina informações coletadas em campo com dados de catalogos de museus. Para a especificação do modelo, contamos com a participação de ecologos e biologos. Para permitir o acesso e recuperação de informação de forma transparente, o banco de dados foi encapsulado em um servi"co Web, que é invocado por aplicaçõoes cliente. A validação do banco de dados e do servi"co utiliza dados reais fornecidos pelos parceiros do projeto BIO-CORE, um projeto de pesquisa que envolve pesquisadores em Computação e Biologia da UNICAMP e USP
Abstract: Abstract: Biodiversity research requires correlations of data on living beings and their habitats. Such correlations can be of different types, considering factors such as spatial relationships or environmental descriptions (e.g., description of habitat and ecossystems). Biodiversity information systems are complex pieces of software that allow researchers to perform these kinds of analysis. The complexity of these systems varies with the data used, the target users, and the environment where the systems are executed. One of the problems to be faced, especially on the Web, is the heterogeneity of the data aggravated by the diversity of user vocabularies. This research contributes to solve this problem by presenting a database model that organizes the biodiversity information using consensual data standards. The proposed model combines information collected in the ¯eld with that from museum data catalogues. The model was specified with the assistance of biologists and ecologists. The database was encapsulated in a Web service to ensure transparency in using, accessing and recovering the information. The service is invoked by client applications. The database and service were validated using real data, provided by the BIO-CORE project partners. BIO-CORE is a research project that involves computer and biology researchers from UNICAMP and USP
Mestrado
Banco de Dados
Mestre em Ciência da Computação
Wang, Xuetao. "Olympiad delegation registration system." CSUSB ScholarWorks, 2004. https://scholarworks.lib.csusb.edu/etd-project/2551.
Full textHammar, Karl. "Orders From the Cloud : Business Integration as a Service." Thesis, Jönköping University, JIBS, Business Informatics, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-10159.
Full textThis thesis describes the development of a SOA-based architecture for integrating large EDI-using manufacturing companies purchasing processes with smaller non-EDI capable manufacturing companies, using online services.
The underlying need for this project lies with the fact that these small manufacturing companies risk to miss out on business, due to their inability to communicate via the industry standard EDI format. At the same time, getting EDI-capable involves significant investments in software licenses, connectivity services and consulting or training that these small companies may not be ready to make. The mentor company of this thesis project, System Andersson, produces resource planning software for this type of companies and would like to be able to provide them with an easy to use way of “jacking in” EDI support into their businesses, without having to make such significant investments. Ideally this feature would be developed as a standalone subscription based service that could be provided to users in such a way that their existing System Andersson software could connect to it and no further hard- or software would be needed on site. This EDI-enabling should be as easy as to be entirely transparent for the end-user companies. The task handed to the author was thus to develop an architecture for how such a subscription based service could be developed. Furthermore, in order to promote re-use and simplify development, the architecture was to be based on SOA concepts.
As a result of the project, such an architecture has been developed. The architecture details two services for translating and storing for later delivery a number of EDI message types of the EDIFACT variety. The architecture also specifies communications protocols (SOAP over HTTPS and AS2 over HTTPS) and APIs (web services) for how to communicate with these services. These specifications can be used to implement a system that performs the necessary integration, so that the smaller companies may indeed communicate via EDI.
The fitness of the developed architecture has been tested by implementing a prototype version of such a system based on it. It has also been validated by way of comparing to how well it adheres to SOA design principles. All in all, this design appears to be quite sound and presents a working solution to the studied problem.
Elrufaie, Elharith Omer. "A Wiki paradigm to manage online course content." CSUSB ScholarWorks, 2004. https://scholarworks.lib.csusb.edu/etd-project/2446.
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