Search (48 results, page 1 of 3)

  • × theme_ss:"Internet"
  • × year_i:[2010 TO 2020}
  1. Hartmann, B.: Ab ins MoMA : zum virtuellen Museumsgang (2011) 0.04 
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    Date
    3. 5.1997 8:44:22
  2. Bhattacharya, S.; Yang, C.; Srinivasan, P.; Boynton, B.: Perceptions of presidential candidates' personalities in twitter (2016) 0.03 
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    Date
    22. 1.2016 11:25:47
  3. Dalip, D.H.; Gonçalves, M.A.; Cristo, M.; Calado, P.: ¬A general multiview framework for assessing the quality of collaboratively created content on web 2.0 (2017) 0.03 
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    Abstract
    User-generated content is one of the most interesting phenomena of current published media, as users are now able not only to consume, but also to produce content in a much faster and easier manner. However, such freedom also carries concerns about content quality. In this work, we propose an automatic framework to assess the quality of collaboratively generated content. Quality is addressed as a multidimensional concept, modeled as a combination of independent assessments, each regarding different quality dimensions. Accordingly, we adopt a machine-learning (ML)-based multiview approach to assess content quality. We perform a thorough analysis of our framework on two different domains: Questions and Answer Forums and Collaborative Encyclopedias. This allowed us to better understand when and how the proposed multiview approach is able to provide accurate quality assessments. Our main contributions are: (a) a general ML multiview framework that takes advantage of different views of quality indicators; (b) the improvement (up to 30%) in quality assessment over the best state-of-the-art baseline methods; (c) a thorough feature and view analysis regarding impact, informativeness, and correlation, based on two distinct domains.
    Date
    16.11.2017 13:04:22
  4. Schultz, S.: ¬Die eine App für alles : Mobile Zukunft in China (2016) 0.02 
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    Date
    22. 6.2018 14:22:02
  5. Pluye, P.; El Sherif, R.; Granikov, V.; Hong, Q.N.; Vedel, I.; Barbosa Galvao, M.C.; Frati, F.E.Y.; Desroches, S.; Repchinsky, C.; Rihoux, B.; Légaré, F.; Burnand, B.; Bujold, M.; Grad, R.: Health outcomes of online consumer health information : a systematic mixed studies review with framework synthesis (2019) 0.01 
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    Abstract
    The Internet has become the first source of consumer health information. Most theoretical and empirical studies are centered on information needs and seeking, rather than on information outcomes. This review's purpose is to explore and explain health outcomes of Online Consumer Health Information (OCHI) in primary care. A participatory systematic mixed studies review with a framework synthesis was undertaken. Starting from an initial conceptual framework, our specific objectives were to (a) identify types of OCHI outcomes in primary care, (b) identify factors associated with these outcomes, and (c) integrate these factors and outcomes into a comprehensive revised framework combining an information theory and a psychosocial theory of behavior. The results of 65 included studies were synthesized using a qualitative thematic data analysis. The themes derived from the literature underwent a harmonization process that produced a comprehensive typology of OCHI outcomes. The revised conceptual framework specifies four individual and one organizational level of OCHI outcomes, while including factors such as consumers' information needs and four interdependent contextual factors. It contributes to theoretical knowledge about OCHI health outcomes, and informs future research, information assessment methods, and tools to help consumers find and use health information.
  6. Kaba, B.; Touré, B.: Understanding information and communication technology behavioral intention to use : applying the UTAUT model to social networking site adoption by young people in a least developed country (2014) 0.01 
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  7. Nowag, B.: Query by Humming : ein Vergleich von Suchmaschinen zur Melodie-Erkennung (2010) 0.01 
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  8. Kaden, B.; Kindling, M.: Kommunikation und Kontext : Überlegungen zur Entwicklung virtueller Diskursräume für die Wissenschaft (2010) 0.01 
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  9. Landwehr, A.: China schafft digitales Punktesystem für den "besseren" Menschen (2018) 0.01 
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    Date
    22. 6.2018 14:29:46
  10. Andrade, T.C.; Dodebei, V.: Traces of digitized newspapers and bom-digital news sites : a trail to the memory on the internet (2016) 0.01 
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    Date
    19. 1.2019 17:42:22
  11. Pereira, D.A.; Ribeiro-Neto, B.; Ziviani, N.; Laender, A.H.F.; Gonçalves, M.A.: ¬A generic Web-based entity resolution framework (2011) 0.01 
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    Abstract
    Web data repositories usually contain references to thousands of real-world entities from multiple sources. It is not uncommon that multiple entities share the same label (polysemes) and that distinct label variations are associated with the same entity (synonyms), which frequently leads to ambiguous interpretations. Further, spelling variants, acronyms, abbreviated forms, and misspellings compound to worsen the problem. Solving this problem requires identifying which labels correspond to the same real-world entity, a process known as entity resolution. One approach to solve the entity resolution problem is to associate an authority identifier and a list of variant forms with each entity-a data structure known as an authority file. In this work, we propose a generic framework for implementing a method for generating authority files. Our method uses information from the Web to improve the quality of the authority file and, because of that, is referred to as WER-Web-based Entity Resolution. Our contribution here is threefold: (a) we discuss how to implement the WER framework, which is flexible and easy to adapt to new domains; (b) we run extended experimentation with our WER framework to show that it outperforms selected baselines; and (c) we compare the results of a specialized solution for author name resolution with those produced by the generic WER framework, and show that the WER results remain competitive.
  12. Agosto, D.E.; Abbas, J.; Naughton, R.: Relationships and social rules : teens' social network and other ICT selection practices (2012) 0.01 
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    Abstract
    The issue of how teens choose social networks and information communication technologies (ICT's) for personal communication is complex. This study focused on describing how U.S. teens from a highly technological suburban high school select ICT's for personal communication purposes. Two research questions guided the study: (a) What factors influence high school seniors' selection of online social networks and other ICT's for everyday communication? (b) How can social network theory (SNT) help to explain how teens select online social networks and other ICT's for everyday communication purposes? Using focus groups, a purposive sample of 45 teens were asked to discuss (a) their preferred methods for communicating with friends and family and why, (b) the reasons why they chose to engage (or not to engage) in online social networking, (c) how they selected ICT's for social networking and other communication purposes, and (d) how they decided whom to accept as online "friends." Findings indicated that many factors influenced participants' ICT selection practices including six major categories of selection factors: relationship factors, information/communication factors, social factors, systems factors, self-protection factors, and recipient factors. SNT was also helpful in explaining how "friendship" was a major determining factor in their communication media and platform choices.
  13. MacKay, B.; Watters, C.: ¬An examination of multisession web tasks (2012) 0.01 
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    Abstract
    Today, people perform many types of tasks on the web, including those that require multiple web sessions. In this article, we build on research about web tasks and present an in-depth evaluation of the types of tasks people perform on the web over multiple web sessions. Multisession web tasks are goal-based tasks that often contain subtasks requiring more than one web session to complete. We will detail the results of two longitudinal studies that we conducted to explore this topic. The first study was a weeklong web-diary study where participants self-reported information on their own multisession tasks. The second study was a monthlong field study where participants used a customized version of Firefox, which logged their interactions for both their own multisession tasks and their other web activity. The results from both studies found that people perform eight different types of multisession tasks, that these tasks often consist of several subtasks, that these lasted different lengths of time, and that users have unique strategies to help continue the tasks which involved a variety of web and browser tools such as search engines and bookmarks and external applications such as Notepad or Word. Using the results from these studies, we have suggested three guidelines for developers to consider when designing browser-tool features to help people perform these types of tasks: (a) to maintain a list of current multisession tasks, (b) to support multitasking, and (c) to manage task-related information between sessions.
  14. Rodríguez-Vidal, J.; Gonzalo, J.; Plaza, L.; Anaya Sánchez, H.: Automatic detection of influencers in social networks : authority versus domain signals (2019) 0.01 
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    Abstract
    Given the task of finding influencers (opinion makers) for a given domain in a social network, we investigate (a) what is the relative importance of domain and authority signals, (b) what is the most effective way of combining signals (voting, classification, learning to rank, etc.) and how best to model the vocabulary signal, and (c) how large is the gap between supervised and unsupervised methods and what are the practical consequences. Our best results on the RepLab dataset (which improves the state of the art) uses language models to learn the domain-specific vocabulary used by influencers and combines domain and authority models using a Learning to Rank algorithm. Our experiments show that (a) both authority and domain evidence can be trained from the vocabulary of influencers; (b) once the language of influencers is modeled as a likelihood signal, further supervised learning and additional network-based signals only provide marginal improvements; and (c) the availability of training data sets is crucial to obtain competitive results in the task. Our most remarkable finding is that influencers do use a distinctive vocabulary, which is a more reliable signal than nontextual network indicators such as the number of followers, retweets, and so on.
  15. Fietkiewicz, K.J.; Stock, W.G.: Jedem seine eigene "Truman Show" : YouNow, Periscope, Ustream und ihre Nutzer - "Social Live"-Streaming Services (2017) 0.01 
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    Abstract
    Die seinerzeit 19-jährige Studentin Katrin Scheibe war 2015 Teilnehmerin an einem Seminar der Uni Düsseldorf über "Social Live"-Streaming Services und hat mit anderen Studenten zusammen eine Live-Übertragung einer Sitzung über YouNow durchgeführt. Innerhalb des rund einstündigen Programms schnellte die Zuschauerzahl auf weit über 200 hoch. Die meist jugendlichen Zuseher empfanden es als höchst interessant, eine Uni-Lehrveranstaltung hautnah miterleben zu dürfen. Ebenso waren die Studenten von dem aktuellen und zeitnahen Thema begeistert und publizierten ihre Forschungsresultate unter einem Pseudonym (Mathilde B. Friedländer) in internationalen Fachzeitschriften.
  16. Social Media und Web Science : das Web als Lebensraum, Düsseldorf, 22. - 23. März 2012, Proceedings, hrsg. von Marlies Ockenfeld, Isabella Peters und Katrin Weller. DGI, Frankfurt am Main 2012 (2012) 0.01 
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  17. Oguz, F.; Koehler, W.: URL decay at year 20 : a research note (2016) 0.01 
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    Date
    22. 1.2016 14:37:14
  18. Bhavnani, S.K.; Peck, F.A.: Scatter matters : regularities and implications for the scatter of healthcare information on the Web (2010) 0.01 
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    Abstract
    Despite the development of huge healthcare Web sites and powerful search engines, many searchers end their searches prematurely with incomplete information. Recent studies suggest that users often retrieve incomplete information because of the complex scatter of relevant facts about a topic across Web pages. However, little is understood about regularities underlying such information scatter. To probe regularities within the scatter of facts across Web pages, this article presents the results of two analyses: (a) a cluster analysis of Web pages that reveals the existence of three page clusters that vary in information density and (b) a content analysis that suggests the role each of the above-mentioned page clusters play in providing comprehensive information. These results provide implications for the design of Web sites, search tools, and training to help users find comprehensive information about a topic and for a hypothesis describing the underlying mechanisms causing the scatter. We conclude by briefly discussing how the analysis of information scatter, at the granularity of facts, complements existing theories of information-seeking behavior.
  19. Bäcker, P.; Macit, U.: Computergestützte Freizeitplanung basierend auf Points Of Interest (2010) 0.01 
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    Abstract
    Beschrieben wird die Entwicklung eines Systems, das auf Basis einer Point Of Interest-Datenbank eine automatische Freizeitplanung durchführt. Nach Auswahl eines Tagesthemas wie z. B. "Tag in der Natur" oder "Tag zu zweit", entwirft das System einen thematisch passenden Tagesplan mit mehreren Etappen in zeitlicher Abfolge. Zunächst wird das entwickelte System grob vorgestellt, gefolgt von einem Überblick über ähnliche aktuelle Forschungen. Im Anschluss folgen eine kurze Einführung in den Mashup-Begriff sowie eine Beschreibung der vom System genutzten Dienste. Schließlich werden die Komponenten des Systems erklärt und ein Ausblick in die Zukunft der POI-Dienste und -Suchmaschinen gegeben.
  20. Wilde, A.; Wenninger, A.; Hopt, O.; Schaer, P.; Zapilko, B.: Aktivitäten von GESIS im Kontext von Open Data und Zugang zu sozialwissenschaftlichen Forschungsergebnissen (2010) 0.01 
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