Dissertations / Theses on the topic 'Social network, online-network, virtual platform'

Durch die steigende Technologisierung spielen webbasierte soziale Netzwerke in der heutigen Zeit eine zentrale Rolle im gesellschaftlichen Leben. So bietet das Web 2.0 zahlreiche Möglichkeiten, auf virtueller Ebene Kontakte zu knüpfen, Beziehungen zu entwickeln und aufrecht zu erhalten, Netzwerke zu bilden und Informationen auszutauschen. Es kann davon ausgegangen werden, dass sich mit dieser Virtualisierung interaktiver Prozesse nicht nur die Kommunikation, sondern soziale Beziehungen an sich sowie deren Voraussetzungen und Ergebnisse erheblich verändern. Aufgrund dieser Entwicklungen ist also zu untersuchen, welche sozialen Effekte mit der Nutzung von sozialen Online-Netzwerken einhergehen, und ob bzw. welche veränderten Möglichkeiten sich ergeben, die „gelebte soziale Wirklichkeit zu beeinflussen“

Social networking sites are among the most popular daily activities of students these days. Students are mostly using social networking sites for communication and sharing of their experiences. Facebook is an example of a social networking site, which supports additional features such as creating a profile page, creating group pages and supports possibility of implementing different integrated application with Facebook. These features improve the Facebook experience, allowing users to form groups, where they can introduce ideas and concepts, which can be shared and discussed in a structured style. For this thesis we have created a new learning management system by implementing an online educational platform within a Facebook context. This work introduces a new, complementary style of education, where students can improve their knowledge and sociality outside the university in an innovative way. The platform takes advantage of gamification, which introduces game-like elements to concepts such as education and learning management systems, to make them more fun and rewarding. The goal of this thesis is to extend the educational border to an interesting online environment where students can learn, communicate, and examine their knowledge globally in different courses within our application platform in Facebook.

The sharing economy, or collaborative consumption, refers to peer-to-peer sharing of goods and services coordinated through a commercialized or community-based online platform. Collaborative consumption platforms are used for sharing of our under-used assets, e.g. our homes, tools, and vehicles, and can bring social communities together. Through sharing we use our resources more effectively, and contribute towards a more sustainable lifestyle. Hoffice was started in 2013 in Stockholm and promotes the concept of working for free in the homes of others, and is getting a lot of attention around the world. This nonprofit network helps people arrange home offices, where hosts share their residence with people who, through Facebook, can reserve a seat for the day. The purpose of these work events is to create free workspaces, with the possibilities for social, structured and disciplined environments, while allowing individuals to benefit from the support and intelligence of others. This research aims to study the hosts in the Hoffice network, to find ways to explain the key driving values, as well as barriers, and apply it to a tailored platform in order to motivate more people to host work events. The central research question is furthermore How could well adapted social platforms increase motivation for people to engage in the collaborative consumption as exemplified by Hoffice? Six semi-structured interviews with past host from year 2014-2015 were conducted to gain qualitative answers about how an online platform can be developed in order to motivate Hoffice members to become hosts. The questions were divided into three different sections; Background, About Hoffice, and Online platform. Observations were performed with a purpose of understanding the structure of a Hoffice event, and to gain a better understanding of the users needs and behaviors. After a first version of a prototype was developed, evaluations and user tests were completed with the interviewees and the founder of Hoffice. Results show that communication, offline and online, is important when people engage in collaborative consumptions, and Facebook has a great impact on people when communicating and spreading information. Although Facebook has some weaknesses when it comes to planning and inviting people to events due to their restrictions and functionalities. Also, when using Facebook for a sharing service, the users are forced to have a Facebook account to partake. All services that involve sharing should consider and support geographical location features. Moreover, to show appreciation is important. People find motivation from feeling liked and appreciated, and want to feel that their contribution is making a positive impact on other people's lives. Finally, it is important to have clear rules and guidelines for monitoring member’s behavior, otherwise uncertainties and dissatisfaction will occur.
Delande ekonomin, eller gemensam konsumtion, hänvisar till peer-to-peer-delning av varor och tjänster som samordnas genom en kommersialiserad eller samhällsbaserad online-plattform. Plattformar för gemensam konsumtion används för delning av våra underutnyttjade tillgångar, t.ex. våra hem, verktyg och fordon, och kan skapa sociala gemenskaper. Genom att dela använder vi våra resurser mer effektivt och bidrar till en mer hållbar livsstil. Hoffice startades 2013 i Stockholm och främjar gratis arbetsplatser i hemmen, och har fått stor uppmärksamhet runt om i världen. Detta ideella nätverk hjälper människor anordna hemmakontor, där värdar delar deras bostad med människor, som genom Facebook kan reservera en plats för dagen. Syftet är att skapa gratis arbetsytor, med möjligheter för sociala, strukturella och disciplinerade miljöer, samtidigt som individer drar nytta av stöd och intelligens från andra. Denna forsknings syfte är att studera värdarna i Hoffice nätverket, för att hitta sätt att förklara de viktigaste drivkrafterna, liksom hinder, och tillämpa det på en skräddarsydd plattform för att motivera fler människor att vara värd. Den centrala frågeställningen är dessutom, Hur kan välanpassade sociala plattformar öka motivationen för människor att engagera sig i kollaborativ konsumtion som exemplifieras av Hoffice? Sex semistrukturerade intervjuer med tidigare värdar från år 2014-2015 genomfördes för att få kvalitativa svar om hur en plattform online kan utvecklas för att motivera Hoffice medlemmar att bli värdar. Frågorna delades in i tre olika sektioner; Bakgrund, Om Hoffice, och Online-plattform. Observationer utfördes med ett syfte att förstå strukturen hos en Hoffice-arbetsdag, och för att få en bättre förståelse av användarnas behov och beteenden. Efter att en första version av en prototyp tagits fram utfördes utvärderingar och användartester. Resultaten visar att kommunikation, både offline och online, är viktigt när människor engagerar sig i kollaborativ konsumtion, och Facebook har en stor inverkan på människor vid kommunikation och spridning av information. Facebook har dock vissa brister när det gäller att planera och bjuda in folk till evenemang på grund av sina begränsningar och funktioner. När man använder Facebook för en delningstjänst tvingas användarna även ha ett Facebook-konto för att delta. Alla tjänster som innebär att dela bör överväga och stödja geografiska platsfunktioner. Dessutom, att visa uppskattning är viktig. Folk motiveras av känslan från uppskattning, och vill känna att deras bidrag gör en positiv inverkan på andra människors liv eller situation. Slutligen är det viktigt att ha tydliga regler och riktlinjer för övervakning av medlemmars beteenden, annars kommer osäkerhet och missnöje att inträffa.

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A presente tese parte do reconhecimento de que os social network games oferecem espaços para que os seus participantes exercitem a reflexão de suas identidades. Neles, sujeitos identificam-se e moldam seus perfis para serem reconhecidos e interagirem com os demais jogadores. O objetivo centra-se em compreender como são configuradas estas identidades do gamer nos seus jogos. A discussão teórica incluiu a problematização dos conceitos-chaves de identidade e de jogos online, questões relacionadas à visualização das identidades no Ciberespaço e a forma adquirida nos jogos online e mediações culturais, midiáticas, competências tecnológicas e relacionadas aos jogos. Os social network games foram contextualizados a partir de aspectos históricos, situação atual, ambientes suportes, possibilidades e dinâmicas sociais. A pesquisa empírica parte de uma construção de tipos de games em termos das possibilidades para a construção identitária, que inclui os jogos de Construção de Mundos, que estimulam a personalização do ambiente e os de Participação em Mundos, que estimulam a competição com atores da rede social. Optou-se pela realização da metodologia netnográfica desenvolvida em um jogo dentro de cada uma destas categorias: o Farmville e o SongPop (respectivamente), além de entrevistas com uma amostra de jogadores. Os resultados apontam a existência de elementos no jogo capazes de oferecerem lugares para o desenvolvimento de apropriações sociais (avatar, bens virtuais, interações sociais e território virtual), indicadoras de facetas identitárias destes sujeitos. Por meio deles, percebeu-se a existência de matrizes identitárias nos social network games (aleatórias, competitivas, representativas e valorativas) capazes de direcionar o modo de construção individual e coletivo destes indivíduos antes mesmo de terem contato com estes lugares de apropriação nos jogos. As implicações deste estudo revelam a existência de uma dupla via de afetação oriunda não apenas da estrutura dos jogos, mas, principalmente, dos espaços criativos que os sujeitos encontram para manifestarem suas identidades. Por meio deles, os social gamers não apenas revelam traços de si, como também parecem incorporar novas facetas identitárias oriundas destas construções no game ao seu self, o que sugere um importante papel destes ambientes lúdicos e virtuais na constituição identitária do sujeito atual.
This thesis begins with the recognition that social network games offer spaces for participants to reflect on their identities. In them, users identify themselves and shape their profiles to be recognized and to interact with other players. Our objective focuses on understanding how these identities are configured and how they reflect the gamer in their own games. The theoretical discussion includes key concepts such as identity and online games, the visualisation of identities in cyberspace, the forms online games and cultural mediations take and the technical skills related to these games. The social network games were contextualized from their social and historical aspects, present situation, media environments and dynamic possibilities. Our empirical research is grounded on a construction of types of games based on terms of possibilities for identity construction, which includes "World Construction" games that stimulate the customization of environments and "World Participation" games, which encourage competition with actors of the social network. We chose to use a netnography methodology, developed in games within each category: Farmville and SongPop (respectively), as well as interviews with a sample of players. The results show the existence of elements in the game that are able to offer places to the development of social appropriation (avatars, virtual goods, social interactions and virtual territory), indicators of identity facets of these subjects. Through them, we realized the existence of identity matrices in social network games (random, competitive, descriptive and evaluative) capable of directing the way individual and collective construct these subjects even before they have contact with these appropriation places in the games. The implications of this study reveal the existence of two ways of affecting users that arises not only from the structure of the games, but mainly from creative spaces where subjects manifest their identities. Through them, the social gamers not only reveal traces of themselves, but also seem to incorporate new identity facets of these constructs derived in the game to their self, which suggests an important role of these ludic and virtual environments in the identity constitution of the subject.

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.

The aim of this thesis is to explore the different types of user motivation to participate in online art communities and confront them with the possibilities these communities offer. The first chapter is devoted to the issue of motivation in terms of psychology, basic concepts and their relation to the researched topic. The second chapter focuses on the basic concepts of virtual communities. These topics serve as the theoretical basis for the third chapter that focuses on online art community itself: definition of this term, recognition of the basic types of these communities, types of users and their motivation to enter and participate. The chapter concludes with the following types of motivation being confronted with the possibilities online art communities offer to their users. The last chapter deals with empirical research aimed at finding dominant forms of motivation, comparing different types of users, exploring their relationship with other users as well as habits in sharing their own creations. Based on results the partial recommendations to the creators of the community websites on which these communities grow are formulated.

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Companies have looked for many new ways to communicate with their customers. In the current scenario, Facebook has proven to be an efficient communication tool between consumers and businesses. This study aims to understand the differences in the complaint messages sent to companies, through an experiment that measured the emotional tone and the lack of formality in each message received by the website and the Facebook page of the company. As expected, people are more informal on Facebook. However, contrary to our intuition, participants tended to display more emotions on the company website. The social norms theory and the impression management contributed to explain the phenomena found.
As empresas têm procurado encontrar diversas novas maneiras de se comunicar com seus clientes. No atual cenário, o Facebook tem se mostrado uma eficiente forma de comunicação entre consumidores e empresas. Este estudo busca entender as diferenças nas reclamação enviadas para empresas, através de um experimento que mede o nível de emoção e comprometimento com a formalidade em mensagens recebidas através do website e a página do Facebook da empresa. Como esperado, as pessoas são mais informais no Facebook. Porém, contrariando nossa intuição, tendem a demonstrar mais emoções no website da empresa. A teoria de normas sociais e de gestão de auto-imagem ajudaram a explicar os fenômenos encontrados.

Technological advancements continue to increase online accessibility and the virtual population. As students engage with these advancements, their lives and identities will be on a worldwide platform. The realities of online identities present a challenge for educators to teach students how to manage those online identities. Researchers have studied the after-effects of online identities, but there is a gap in understanding the individual's thought process during the creation of online identities. The purpose of this interpretative phenomenological analysis was to understand the perspectives of working high school graduates regarding the creation of online identities. The research questions were designed to elicit recent high school graduates' perceptions or viewpoints about creating online identities. The conceptual framework for this study included social identity theory and computer-mediated communication theory. Data were collected from 9 face-to-face interviews, including the creation of summary sheets, and were analyzed via member checking and extensive manual coding. Eight themes emerged, revealing that online identities were created to support social connections. The participants' responses generated 4 types of online identities: real, desired, enhanced, and deceptive. Participants did not place consideration into the idea that they were creating an identity. Recommendations included an application for educators to model online behavior and to help students manage their online identities. Further studies could include a data gathering tool that uses an anonymous platform. These findings can inform curriculum and expand the landscape of the literature toward the social change goal of helping students grow and thrive in the online world in a safe, effective, and ethical manner.

Criado a partir do trabalho colaborativo de grupos de pessoas, o ciberespaço expressa vocação para abrigar incontáveis agrupamentos, diversos e distintos como a natureza humana. Parte desses agrupamentos tem recebido o nome de redes de aprendizagem online e comunidades virtuais de aprendizagem. Uma vez que a aprendizagem é intrínseca ao homem, em variados tempos, lugares e situações, todos os agrupamentos do ciberespaço podem proporcionar aprendizagens. Mas o fato de que há aspectos em comum na diversidade não retiraria a necessidade de estabelecer diferenças entre os agrupamentos porque não se deve confundir multiplicidade com indistinção. Nesse sentido, esta investigação buscou identificar elementos que podem distinguir as redes e comunidades virtuais de aprendizagem dos demais agrupamentos do ciberespaço. A partir da compreensão de que as palavras são signos ideológicos e que seu emprego formata a realidade (BAKHTIN, 1981), verificamos que também há distinção entre redes de aprendizagem online e comunidades virtuais de aprendizagem. A reflexão proporcionou ainda mapearmos indicadores de formação de comunidades virtuais em situação de aprendizagem. Para levantar os elementos mencionados, realizamos revisão bibliográfica e examinamos três agrupamentos do ciberespaço, apontados neste trabalho como uma rede social, uma rede de aprendizagem online e uma comunidade virtual de aprendizagem. Mais do que apresentar uma sugestão quanto ao emprego dessas expressões, esta dissertação costura uma série de reflexões sobre rede e intencionalidade educativa, certos de que rede é a metáfora mais fundamental para a Educação do século XXI.
Elaborated from co-operated work by groups of people, the cyberspace expresses the vocation to shelter countless groupings, several and different as the human nature. Some of these groupings have been receiving the name of online learning networks and virtual learning communities. Once the learning is intrinsic to the man, in several times, places and situations, all groupings of the cyberspace can provide learning. But the fact that there are aspects in common in the diversity would not remove the need to establish differences among the groupings because it should not confuse multiplicity with indistinct. In that sense, this investigation looked for to identify elements that can distinguish the online learning networks and the virtual learning communities of the other groupings of the cyberspace. Starting from the understanding that the words are ideological signs and that its use formats the reality (BAKHTIN, 1981), we verified that there is also distinction between online learning networks and virtual learning communities. The reflection provided mapping of indicators of virtual communities\' formation in learning situation. To survey the mentioned elements, we accomplished bibliographical revision and examined three groupings of the cyberspace, pointed in this work as a social network, an online learning network and a virtual learning community. More than to present a suggestion for the use of those expressions, this dissertation sews a series of reflections on net and educational intentionality, convinced that net is the most fundamental metaphor for the Education of the XXI century.

The content of the master’s thesis is the elaboration of a real business plan, which deals with the creation of a digital space for the professional self-realization of customer segments. The theoretical part describes the specification and verification of the initial idea of the plan using the Lean Canvas tool, qualitative research among the first customers and other analytical methods to define key factors from the general and market environment and internal sources. The analytical part focuses on the application and results of selected analytical-research methods, including evaluation for the subsequent selection of a suitable market entry strategy. The proposition part contains the final business and market strategy and business model, which is developed into individual parts of the business plan.

Der große Erfolg vieler Internet-Plattformen zum Social Networking, wie facebook.com oder myspace.com zieht zunehmend auch die Aufmerksamkeit großer Unternehmen auf sich, die mit ähnlichen Werkzeugen ihr internes Wissens- und Innovationsmanagement verbessern möchten. Im Gegensatz zu anderer Social Software wie Wikis oder Weblogs, die sich in der Regel leicht für den Einsatz innerhalb des Firmen-Intranets adaptieren lassen, ist dies für Social Networking Services (SNS) jedoch schwieriger. Zum einen existieren kaum Open-Source-Anwendungen, die ohne großen Aufwand implementierbar sind. Zum anderen unterscheiden sich die Lösungen von SNS-Anbietern enorm, was es den Unternehmen schwer macht, eine geeignete Lösung auszuwählen. Eine Hilfestellung soll der im vorliegenden Beitrag vorgestellte Ordnungsrahmen für SNS bieten. Entlang von acht Dimensionen ermöglicht er den Vergleich und die Einordnung verschiedener Dienste.

Der große Erfolg vieler Internet-Plattformen zum Social Networking, wie facebook.com oder myspace.com zieht zunehmend auch die Aufmerksamkeit großer Unternehmen auf sich, die mit ähnlichen Werkzeugen ihr internes Wissens- und Innovationsmanagement verbessern möchten. Im Gegensatz zu anderer Social Software wie Wikis oder Weblogs, die sich in der Regel leicht für den Einsatz innerhalb des Firmen-Intranets adaptieren lassen, ist dies für Social Networking Services (SNS) jedoch schwieriger. Zum einen existieren kaum Open-Source-Anwendungen, die ohne großen Aufwand implementierbar sind. Zum anderen unterscheiden sich die Lösungen von SNS-Anbietern enorm, was es den Unternehmen schwer macht, eine geeignete Lösung auszuwählen. Eine Hilfestellung soll der im vorliegenden Beitrag vorgestellte Ordnungsrahmen für SNS bieten. Entlang von acht Dimensionen ermöglicht er den Vergleich und die Einordnung verschiedener Dienste.

La présente thèse s’inscrit dans le domaine de l’Apprentissage des Langues Assisté par Ordinateur (ALAO) et plus particulièrement dans la branche Communication médiatisée par ordinateur (CMO) de ce domaine. Cette étude, descriptive à visée compréhensive, interroge les échanges naturels des apprenants libyens pratiquant le français dans un Groupe Facebook. La situation que nous étudions est une situation informelle puisque le Groupe a été créé par les participants eux-mêmes sans aucune intervention de la part des enseignants. En effet, la CMO pédagogique a déjà été bien étudiée dans des contextes formels mais encore très peu abordée dans des contextes informels. Nos données se composent d’un corpus d’échanges en lignequi s’étalent sur cinq mois contenant 947 messages et 3408 commentaires ainsi que de 11 entretiens semi-directifs réalisés avec certains des participants du Groupe observé. La recherche repose sur une analyse écologique visant à étudier les échanges dans un environnement élargi où plusieurs facteurs interagissent (langagier, social, culturel, politique). Ainsi, pour examiner ce qui se passe dans cet espace informel destiné à la pratique du français, nous avons d’abord décrit, de manière très générale les pratiques discursives des apprenants afin d’avoir une idée globale sur leurs activités. Se sont posées au passage les questions des langues utilisées, des fonctions du langage que mettent en oeuvre les messages, de la manière dont les messages et commentaires se répondent (ou ne se répondent pas) les uns aux autres et enfin des caractéristiques sémiolinguistiques des échanges. Nous nous sommes ensuite intéressée à la question suivante : dans quelle mesure ces pratiques contribuent-elles à l’établissement des liens sociaux et une communauté virtuelle en émerge-t-elle ? De même nous nous sommes demandée de quel type de communauté il s’agit. Enfin, nous nous sommes penchée sur les perceptions des participants vis-à-vis de Facebook en général et du Groupe en particulier
This study focuses on French as a Foreign Language (FFL) and Computer Assisted Language Learning (CALL). It investigates the natural exchanges of Libyan learners practicing French in a Facebook group. The situation that we are exploring is informal because the group was created by the participants themselves without any intervention neither from teachers nor from ourselves. Computer-mediated communication (CMC) has already been well studied in formal contexts but very little in informal contexts, which is why we think a descriptive study aimed at gaining an understanding of particular experience is suitable. Our data is on-line exchanges corpora covering five months with 947 posts and 3408 comments, as well as 11 interviews conducted with some of the participants in the observed group. The research is based on an ecological analysis to study exchanges in a wider environment where several factors interact (linguistic, social, cultural, political factors). In order to examine what happens in this informal space dedicated to the practice of French, we first provideda broad description of learners’ discursive practices in order to get a general sense of their activities. The languages used, the functions of the language used by the messages, the way in which the messages and comments respond (or do not respond) to each other and finally the semio-linguistic characteristics of the exchanges were examined. We then explored how these practices contribute to the establishment of social ties, whether a virtual community emerges and what kind of community it is. Finally, we looked at the value that participants attach to their exchanges and experience as members of this group

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES
The development of studies on education distance learning courses or e-learning, have become common in the current academic-scientific assumption, as the increasing number of courses in this category of education and the possibilities of collaboration between participants brought by the Environment Virtual Learning (AVA). Online discussions established make students engaged in the sharing of information and knowledge, in order to establish prospects for interaction with other students. In this sense, this work aims to investigate the potential generated by the use of Social Network Analysis techniques (ARS) applied to the analysis of the interactions between students of a distance learning course that establish communication in online discussion forums, to ascertain patterns of interaction that may have influence on student learning. The results show that by applying the degree of centrality metrics, centrality intermediation and closeness centrality related to student achievement express a linear correlation between such variables, showing a trend in the performance of the same throughout the course in order to provide teachers information to support the development of strategies for monitoring and management of student learning in distance learning courses.
O desenvolvimento de estudos referentes a cursos de educação à distância, ou E-Learning, têm se tornado frequentes no cenário acadêmico-científico atual, visto o número crescente de cursos ministrados nessa categoria de ensino e as possibilidades de colaboração entre os participantes interposto pelos Ambientes Virtuais de Aprendizagem (AVA). As discussões online estabelecidas tornam os alunos engajados na partilha da informação e do conhecimento, de modo a estabelecer perspectivas de interação com outros alunos. Neste sentido, esta dissertação visa investigar o potencial gerado pelo uso de técnicas de Análise de Redes Sociais (ARS) aplicado à análise das interações entre alunos de um curso à distância que estabelecem comunicação em fóruns de discussão online, a fim de conhecer padrões de interação que podem ter influência na aprendizagem do aluno. Os resultados obtidos evidenciam que através da aplicação das métricas de centralidade de grau, centralidade de intermediação e centralidade de proximidade relacionadas com o desempenho do aluno é obtida uma correlação linear entre tais variáveis, demonstrando uma tendência no desempenho do aluno ao longo do curso, de forma a propiciar aos professores informações de apoio ao desenvolvimento de estratégias para monitoramento e gerenciamento da aprendizagem de alunos em cursos a distância.

碩士
國立交通大學
網路工程研究所
99
Web-based social networks have attracted a lot of attention. While more physical information can be captured by wireless sensor networks, this paper incorporates remote body sensor networks (BSNs) into such web-based social networks to provide more physical interaction between users than conventional social networks. An innovative interactive virtual-physical social network platform is proposed in this work. In our platform, we design a set of BSN-based APIs to help developers design more interesting BSN-based services on social networks. By adopting these APIs, some applications are designed in our platform. Since various BSN-based applications will be built on our platform, conventional data collection protocols can not provide high-resolution sensing data in a limited bandwidth BSN. We then design a data collection protocol for BSNs in our platform, where the weights (i.e., importance) of sensor nodes are assigned dynamically based on the distribution of sensing data and BSNs do not need to know what applications will be provided in the upper-layer social networks. Finally, we implement our platform on Facebook and show experimental results to investigate the performance of our data collection protocols.

Public press and companies have increasingly strong interests in the impact on businesses brought about by virtual communities. In recent years, virtual communities have become significant sources of information for consumers and businesses by offering unprecedented opportunities for information sharing. Scholars recognize that information posted in virtual communities has important implications for the behaviors of community members and subsequent economic decisions and market performance. However, relatively less is explored about how the informational value of virtual communities results from an aggregated or fragmented community of information. In particular, the underlying motives and mechanisms of user interactions in virtual communities are challenging to understand because of the amount of information available and the potential noises. To investigate user dynamics and the resulting informational value in virtual communities, I explore three major issues in my dissertation. First, I empirically examine whether community fragmentation or aggregation prevails in the context of virtual investment communities. Results indicate that instead of the common belief of virtual communities serving as melting pots that comprise opinions, online investors, in particular, show strong homophily behavior in virtual investment communities. Second, using data from virtual investment communities, I investigate the interactions among online investors that drive homophily and community fragmentation. I find that psychological needs for supportive opinions mainly drive the information seeking and interaction behaviors of online investors as compared to economic rationales. Following this line of exploration, I also identify the informational impact of virtual communities on user behaviors in the context of electronic markets. With data from online retailers, I examine the possible shrinkage of consumer product consideration that is reinforced by online recommendations. A resultant change of consumer consideration leads to a landscape shift of product competition for online retailers, suggesting strategic implications to manufacturers. All in all, my dissertation contributes to an understanding of the value of virtual communities as informational media, how virtual communities shape online user opinions, and how online user preferences impact businesses and markets in a networked economy. My research pushes the frontier toward understanding virtual communities and sheds light on the insights into exploring online network dynamics.
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碩士
國立彰化師範大學
企業管理學系
105
The popular Internet provides a lot of shopping convenience, making consumers no longer tend to the physical store but the online store to shop. A high degree of Internet dependency and the rise of social media in recent years, people often search for relevant shopping information as a reference in the personal community before buying. Especially the world's most registered Facebook is also loved by the people of Taiwan, and each e-commerce industry also set up Facebook fan pages to implement community marketing for more benefits. China Double Eleven Shopping Festival since 2009 to attract consumers from mainland China, Taiwan, and Hong Kong to participate in this event every year, creats more than 100 billion Taiwan dollars for profits. Taiwan's e-commerce industry taking the business opportunity has joined the market, and has to offer promotions to attract consumers. The purpose of this study is as follows: (1) analysis and comparison performance of Facebook fan pages of Taiwan online shopping platform, (2) Social Network Analysis on Facebook fan pages of Taiwan online shopping platform, (3) Social Network Analysis on the people who interact with Facebook fan pages of Taiwan online shopping platform. According to EZprice, the Taiwan's largest and first integrated commodity information of Taiwan's shopping website, its annual report uses the quantity of commodities and the price of the whole store to analyze Taiwan's B2C shopping platform in August and October 2016. I combined the top five of these two rankings as the sample of this study, used the Fanpage Karma website, NodeXL analysis software and Social Network Analysis to analyze the Facebook fan pages of Taiwan online shopping platform. The results of the study show that the overall index of the fan page, the individual indicators of the followers, the group indicators, which can be used to understand the followers who play the role of bridge or associated with a higher degree in the social network , the grouping of the followers, and the degree of interaction between groups. The operator of fan page can regard the results of this study as a reference for operation and community marketing. Either the follower who has higher centrality or the group which has more members, it can be used as a medium to improve the interaction with the followers, the exposure of fan page, the discussion of posts, etc., thereby increasing the profitability of online shopping platform.

碩士
淡江大學
企業管理學系碩士班
98
Virtual community has rapidly develop in recent years under Web 2.0 . According to market research company survey, Virtual community is very popular in Taiwan, and the using time is getting more and more increasing. The internet is one of the mostly influence media in Taiwan now. Overall, we believe that virtual community will be a priority in the marketing. Most research in virtual community focuse on knowledge sharing and the trust between members. Moreover, the research also suggests that social presence is benefit virtual community, so we want to integrate social presence and online social network to survey virtual community . In pretest, Data collected from Yahoo, Facebook, ptt by online survey in order to confirm factor structure first, and data collected from Gamebase in formal study. In total, there are 507 samples in research, All data were used in structure equation modeling（SEM）and make multiple teams comparison. The results show the most virtual community member in Taiwan is 19 to 20 years old, the factors of Using motive include finding information and interpersonal interconnectivity, the factors of Online social network include interpersonal trust and reciprocity, and the factors of Social presence include effective communication and establish relationship. Moreover, The research find that the different Using motive factor is influence different Social presence factor, the reciprocity is the base of establish relationship, and establish relationship can positive influence Member loyalty, multiple teams comparison and suggestion on following research of my study are discussed.

碩士
國立屏東大學
資訊管理學系碩士班
105
In recent years, auctions or biddings in the virtual community grow rapidly. In this study, 600 pieces of shoes bid sample are collected from a virtual community Facebook "shoes trading" community so as to explore the bidding behavior by observing social network relationships. The method is social network analysis which explores the network structures of biddings at the prior three hours and post three hours. The network relationship of bidding at prior three hours between the author and the bidder is classified into sequential bidding structure, mutual bidding structure, simple cluster structure and complex cluster structure. And the bidding relationship at post three hours is classified into the winning structure of the sequential, the winning structure of the intervention bidding and the winning structure of the mutual bidding structure. Furthermore, the mean index will be changed by different cluster. And the centrality will be decline slower when bidders increase.

This project looked at two different sets of data to further understand the relationship between surveillance discourse and the Internet, how surveillance discourse around navigating the Internet has developed, and how children use social technology and digital media for positive communication as well as an alternative space for social engagement. This project argues that there is a disconnect between the way children use social technology, and the approach authoritative websites take in aiming to educate parents, educators, and children on using the Internet safely. This study performs a thematic content analysis on websites that aim to educate on Internet Safety. Additionally, this qualitative study focuses on semi-structured interviews with grade 4-6 students in a French language school in Western Ontario and their reaction to the question, “how do you use technology”. This project is a stepping-stone into many conversations around the possibilities present for the Internet, children, and communication.

The Master's thesis Network analysis of the self-presentation of users on the social media platform Facebook.com focuses on the different ways of self-presentation and behavior of the users on the Facebook.com. The central theme of the thesis is the analysis of the self- presentation tools used by users to construct their virtual identities. In the theoretical part there are explained concepts of identity, self-presentation, social role and social network. The emphasis is also put on the dramaturgical concept of Erving Goffman, which is also the basic theory for this empirical research. The aim of this research is to find out whether there is a difference between the so-called virtual and real user identity and to point out the existence of the so-called ideal self. The research consists of two parts and combines two research methods. In the first part of the research, there are analysed all the data obtained by qualitative in-depth interview. This data is then used in the following network analysis of the content of their Facebook profiles. This network analysis is the main outcome of this thesis. In the conclusion, the findings obtained during the research are presented and at the same time they are compared with previous researches dealing with this topic.

These days old-fashioned ways of developing and maintaining relationships suffer from the fast-growing CMC communication. Following this does this evolution of computer-mediated communication have an influence on social relationships, friendships and user behavior? This thesis examines how strongly can social media influence people, their cultural identity and online/offline bonds. The thesis is mainly focused on Facebook social network, which currently brings together more than a billion people. My work is based on three hypotheses and my aim is to confirm or disprove whether people consciously dissemble and show better me than fact, whether our behaviour online has an affect on offline relationships in terms of weakening ties, and whether the Facebook relationships have weaker ties than traditional offline relationships. This thesis will be based on a survey of at least 400 people from Prague regarding their use of Facebook to form and maintain relationships. The questionnaire survey is based on the theories of CMC created by theorist Christian Fuchs in his publication Internet and Society: Social Theory in the Information Age published in 2008.

Dissertação de mestrado em Média Interativos
Graças aos MMORPG (Massive Multiplayer Online Role-Playing Games) simplesmente conhecidos como MMO – o social gaming cresceu tremendamente quando comparando o cenário de hoje com o de 2004 Uma das principais razões para a mudança de cenário e da forma como olhamos os videojogos é o jogo World of Warcraft (Blizzard Entertainment 2004), que introduziu mecânicas sociais fortes e imersivas na sua jogabilidade. Apesar do género MMO já existir muito antes, com jogos como o Everquest (989 Studios, 1999) que foi pioneiro na exploração das mecânicas sociais como as guildas, o World of Warcraft foi o jogo que ajudou a popularizar o género MMO, ao redefinir o que já existia antes. Antes da emergência dos videojogos online, o multiplayer era chamar à nossa casa amigos ou família para jogar jogos numa consola ou um tradicional jogo de tabuleiro. Com a criação dos MMO a noção de social gaming (jogar socialmente) mudou drasticamente. O surgimento de mecânicas como as guildas - e no caso dos online FPS (First Person Shooters) como o Counter-Strike, os clãs – mudou totalmente a maneira como os jogadores interagiam e se organizavam. Com estas guildas, começaram a ser estabelecidas sociedades e comunidades virtuais, em que cada jogador, tal como um cidadão, tem de seguir uma série de regras e está sujeito a um conjunto de direitos e deveres, tendo em conta essas regras. O nosso objetivo neste estudo é entranhar nestas sociedades e compreender as razões que levam os jogadores a serem fiéis ao jogo. Para estas guildas funcionarem, cada jogador tem um papel que tem de cumprir e as relações interpessoais entre os jogadores nestas guildas são vigiadas pelo Guild Master, a sua autoridade e os vários modelos de liderança que utiliza.
Thanks to MMORPGs (Massive Multiplayer Online Role-Playing Games) – simply known as MMOs – social gaming has grown tremendously when we compare the landscape today to what it was back in 2004. One of the main wheels behind this changing of the landscape and the way we see videogames, is a videogame called World of Warcraft (Blizzard Entertainment 2004), which brought strong and immersive social mechanics into gaming. Even though the MMO genre was already around with games such as Everquest (989 Studios, 1999) which pioneered and started exploring social mechanics like guilds, World of Warcraft was the game that helped popularize and expand the MMO genre by refining what had already been created. Before the emergence of online videogames, multiplayer gaming was mostly considered something like calling over friends or family to play games on a console or in more traditional table top format. With the creation of MMOs, the notion of social gaming (playing games with other people) drastically changed. The appearance of mechanics like guilds - and in the case of online FPS (First Person Shooters) such as Counter-Strike, clans – totally changed the way players interacted and organized each other. With these guilds starting to pop-up, veritable societies and online communities begun establishing themselves where each player, like a citizen, would have to follow a set of rules and be given rights and obligations according to those rules. Our objective here is to delve into these societies and see how they help players stick with the game. For these guilds to work as intended, every player has a role he must follow within it and the interpersonal relationships between players in these guilds are all overseen by a Guild Master, his authority and the various leadership models they adhere to.

É comum numa abordagem quotidiana assumirmos que as Redes Sociais Online são utilizadas por uma grande parte das pessoas e das instituições. Contudo, podemos incorrer numa falácia se assumirmos que o uso dado a estas ferramentas é o mais apropriado. Essa noção está relacionada com a génese de cada Redes Sociais Online que utilizarmos, mas também com a nossa própria pretensão de uso das mesmas. A dissertação aqui apresentada elabora uma reflexão acerca dos comportamentos dos jovens universitários em Portugal e, pretende perceber a preocupação destes para com o futuro profissional. É reflexo desta abordagem a pergunta de partida: “Em que medida as Representações e as Práticas, dos alunos universitários portugueses, na Redes Sociais Online, refletem as suas preocupações com o futuro profissional?” As hipóteses que circundam este trabalho têm que ver com o facto de, como já referido, as Redes Sociais Online serem uma realidade presente na vida de “todos” os jovens, mas também e de forma igualmente importante, no dia a dia das empresas e das instituições, integrando hoje uma componente fundamental dos processos de contratação por parte dos departamentos de Recursos Humanos. Através da aplicação de um inquérito por questionário e posteriormente de uma análise quantitativa, visa-se compreender quais os usos que estes alunos dão às Redes Sociais Online, entre estas quais as mais utilizadas e em que medida existe uma noção de preocupação com o futuro profissional.
It is common in everyday approach we assume that the Online Social Networks are used by a large number of people and institutions. However, we incur a fallacy to assume that the use to which these tools is the most appropriate. This notion is related to the genesis of each Online Social Networks that we use, but also with our own claim to use them. The dissertation presented here develops a reflection on the behavior of university students in Portugal and aims to understand the concern of these towards their professional future. It is a reflection of this approach the starting question: "To what extent the representations and practices, the Portuguese university students in Online Social Networks, reflect its concerns about the professional future?" Hypotheses surrounding this work have to do with the fact that, as mentioned above, the Online Social Networks are a present reality in the life of "all" young people, but also, and equally importantly, the day to day business and institutions, integrating now a fundamental component of procurement procedures by the Human Resources department. By applying a questionnaire and then a quantitative analysis, the aim is to understand what the uses to which these students give to Online Social Networks, among those which are the most used and to what extent there is a sense of concern for the future professional.

As caixas de comentários dos jornais online estão a mudar. As novas tecnologias acarretam promessas, por vezes utópicas, que fomentam a ilusão de um espaço público virtual, democrático e de acesso global. Mas a Europa tem-se mostrado preocupada com os níveis de literacia mediática que afetam a forma como as pessoas se relacionam com os media e participam em debates. É possível verificar que vários utilizadores de plataformas digitais fazem uso do anonimato ou de identidades fictícias (uso de pseudónimos, por exemplo) para expressarem a sua opinião. Mas, sendo uma opinião escondida atrás da máscara do anonimato, quem diz o quê? E a quem? Contribuirão os comentários anónimos para a construção de uma opinião pública ou serão apenas um produto resultante da utilização de espaços online para desabafo pessoal? Existindo, à escala global, uma tendência dos jornais para dificultar cada vez mais, ou até proibir, os comentários anónimos, este trabalho propõe analisar de forma quantitativa e qualitativa o debate produzido nas caixas de comentários de quatro jornais portugueses com diferentes normas de publicação, bem como as dinâmicas produzidas entre utilizadores, tentando perceber se existem diferenças entre comentadores identificados e anónimos. Para o efeito, selecionou-se uma notícia de cada jornal sobre a vitória de Donald Trump nas eleições presidenciais norte americanas.
Newspaper comment boxes are changing. New technologies bring promises, sometimes utopian, that foster the illusion of a virtual, democratic and globally accessible public space. But Europe has been concerned about the levels of media literacy that affect the way people relate to the media and participate in debates. You can verify that multiple users of digital platforms make use of anonymity or fictitious identities (eg. pseudonyms) to express their opinion. But being an opinion hidden behind the mask of anonymity, who says what? And to whom? Will anonymous comments contribute to the building of public opinion, or will they only be a product resulting from the use of online spaces for personal outreach? There is, on a global scale, a tendency of newspapers to make it increasingly difficult or even to prohibit anonymous comments. This paper proposes to analyze in a quantitative and qualitative way the debate produced in the comment boxes of four portuguese newspapers with different publication standards, as well as the dynamics produced between users, trying to understand if there are differences between identified and anonymous commentators. For that purpose, a newspaper report was selected - Trump's victory in the US presidential election.

Диссертация посвящена вопросам социального маркетинга – Social Media Marketing (SMM). Рассматривается статистика продвижения товаров и услуг через работу в социальных сетях. Предметом анализа выступает инструментарий SMM, статистика активных пользователей и капитализация компаний. Результаты исследования могут быть применены в сфере организации SMM-продвижения бизнес-процессов и подготовки студентов в области онлайн-маркетинга.
The article is devoted to the issues of network marketing – Social Media Marketing (SMM). We Сonsider the statistics of the promotion of goods and services through the work in social networks. The subject of the analysis is the SMM toolkit and its system application. The results of the study can be applied in the organization of SMM-support business processes and prepare students in the field of online marketing.