-
Domingue, J.; Motta, E.: PlanetOnto : from news publishing to integrated knowledge management support (2000)
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- Date
- 14. 8.2002 11:47:22
-
Sundar, S.S.; Knobloch-Westerwick, S.; Hastall, M.R.: News cues : information scent and cognitive heuristics (2007)
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- Abstract
- Google News and other newsbots have automated the process of news selection, providing Internet users with a virtually limitless array of news and public information dynamically culled from thousands of news organizations all over the world. In order to help users cope with the resultant overload of information, news leads are typically accompanied by three cues: (a) the name of the primary source from which the headline and lead were borrowed, (b) the time elapsed since the story broke, and (c) the number of related articles written about this story by other news organizations tracked by the newsbot. This article investigates the psychological significance of these cues by positing that the information scent transmitted by each cue triggers a distinct heuristic (mental shortcut) that tends to influence online users' perceptions of a given news item, with implications for their assessment of the item's relevance to their information needs and interests. A large 2 x 3 x 6 withinsubjects online experiment (N = 523) systematically varied two levels of the source credibility cue, three levels of the upload recency cue and six levels of the number-ofrelated-articles cue in an effort to investigate their effects upon perceived message credibility, newsworthiness, and likelihood of clicking on the news lead. Results showed evidence for source primacy effect, and some indication of a cue-cumulation effect when source credibility is low. Findings are discussed in the context of machine and bandwagon heuristics.
- Date
- 7. 3.2007 16:22:24
-
Yang, C.C.; Liu, N.: Web site topic-hierarchy generation based on link structure (2009)
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- Date
- 22. 3.2009 12:51:47
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Deussen, N.: Learning by surfing (2000)
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-
Heine, E.V.I.; Stock, W.G.; Oglou, Y.A.; Hackel, M.; Krasic, A.; Quack, S.; Rode, N.; Burghardt, S.; Manalodiparambil, M.; Röttger, M.; Schönhalz, D.; Valder, A.; Kühn, K.; Bachmaier, K.; Disli, S.; Punner, M.; Sabbagh, M.; Ströbele, U.; Bogen, C.; Rauter, J.; Schowe, K.; Steffen J.; Wiese, S.; Rohmen, S.; Wurzler, M.; Bülow, G.; Pudelko, F.; Roelvink, V.; Adjei-Kwarteng, C.; Jovanovic, M.; Kosmidou, M.; Hedwing, M.: Usability von Navigationssystemen im E-Commerce und bei informativen Websites - des Nutzers Odyssee (2003)
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Deussen, N.: ¬Die Unterschrift aus der Plastikkarte : Digitale Signaturen beruhen auf Verschlüsselungsmethoden, deren Sicherheit umstritten ist (2001)
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Korb, N.; Weiß, B.: ¬The Nordic Web Archive (2002)
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Nitzsche, J.: Inhaltserschließung von medizinischen Internetquellen und Multimediaprodukten (2001)
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- Date
- 22. 3.2001 13:19:39
-
Heess, J.: Krisengewinnler (2002)
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- Date
- 17. 7.1996 9:33:22
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Zylka, J.: Pornostralien (2002)
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- Date
- 17. 7.1996 9:33:22
-
Krings, N.: Blick in Nachbars Garten : Google Earth - Faszinierende Satelliten-Bilder von allen Teilen der Erde (2006)
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- Date
- 3. 5.1997 8:44:22
-
Summann, F.; Lossau, N.: Suchmaschinentechnologie und Digitale Bibliotheken : Von der Theorie zur Praxis (2005)
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- Footnote
- Bezugnahme auf: Lossau, N.: Suchmaschinentechnologie und Digitale Bibliotheken: Bibliotheken müssen das wissenschaftliche Internet erschließen. In: Zeitschrift für Bibliothekswesen und Bibliographie. 51(2004) H.5/6, S.284-294.
-
Dron, J.; Boyne, C.; Mitchell, R.; Siviter, P.: Darwin among the indices : a report on COFIND, a self-organising resource base (2000)
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- Abstract
- In this paper we report on the development and use of CoFIND (Collaborative Filter In N Dimensions), a web-based collaborative bookmark engine, designed as part of a self-organising learning environment to generate a list of useful and relevant learning resources. Users of CoFfND can add pointers to resources and rate them according to two types of category, 'topics' and 'qualities'. Along with the links and descriptions of the resources themselves, both topics and qualities are also entered by users, thus generating a resource-base and collective categorisation scheme based on the needs and wishes of its participants. A topic is analogous to a traditional category whereby any object can be considered to be in the set or out of it. Examples of topics might include 'animals', 'computing', 'travel' and so on. Qualities, on the other hand are the things that users value in a resource, and most of them are (in English at any rate) adjectives or adjectival descriptive phrases. It is always possible to say of a quality that a given resource is more or less so. Examples of qualities might include 'good for beginners', 'amusing', 'colourful', 'turgid' and so on. It is the qualities that provide the nth dimension of CoFIND, allowing much subtler ratings than typical collaborative filtering systems, which tend to rate resources according to a simple good/bad or useful/useless scale. CoFIND thus dynamically accommodates changing needs in learners, essential because the essence of learning is change. In use, the user enters a number of qualities and/or topics that interest them. Resources are returned in a list ordered according to the closeness of match to the required topics and qualities, weighted by the number of users who have categorised or rated a particular resource. The more a topic or quality is used to categorise different resources, the more prominent its position in the list of selectable topics or categories. Not only do less popular qualities sink to the bottom of this list, they can also fall off it altogether, in a process analogous to a Darwinian concept of evolution, where species of quality or topic fight each other for votes and space on the list and topics and qualities are honed so that only the most useful survive. The system is designed to teeter on the 'edge of chaos', thus allowing clear species to develop without falling into chaotic disorder or stagnant order. The paper reports on some ongoing experiments using the CoFIND system to support a number of learning environments within the University of Brighton. In particular, we report on a cut-down form used to help teach a course on Human-Computer Interaction, whereby students not only rate screen designs but collaboratively create the qualities used to rate those resources. Mention is made of plans to use the system to establish metadata schema for courseware component design, a picture database and to help facilitate small group research. The paper concludes by analysing early results, indicating that the approach provides a promising way to automatically elicit consensus on issues of categorisation and rating, allowing evolution instead of the 'experts' to decide classification criteria. However, several problems need to be overcome, including difficulties encouraging use of the system (especially when the resource base is not highly populated) and problems tuning the rate of evolution in order to maintain a balance between stability and disorder
-
Ulrich, P.S.: Collaborative Digital Reference Service : Weltweites Projekt (2001)
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- Date
- 20. 4.2002 17:30:22
-
Child, J.T.; Pearson, J.C.; Petronio, S.: Blogging, communication, and privacy management : development of the Blogging Privacy Management Measure (2009)
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- Abstract
- This study applied Communication Privacy Management (CPM) theory to the context of blogging and developed a validated, theory-based measure of blogging privacy management. Across three studies, 823 college student bloggers completed an online survey. In study one (n = 176), exploratory and confirmatory factor analysis techniques tested four potential models. Study two (n = 291) cross-validated the final factor structure obtained in the fourth model with a separate sample. Study three (n = 356) tested the discriminant and predictive validity of the measure by comparing it to the self-consciousness scale. The Blogging Privacy Management Measure (BPMM) is a multidimensional, valid, and reliable construct. Future research could explore the influence of family values about privacy on blogging privacy rule management.
-
Goodman, J.; Heckerman, D.; Rounthwaite, R.: Schutzwälle gegen Spam (2005)
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Degez, D.; Masse, C.: ¬L'indexation à l'ère d'Internet (2000)
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Herrmann, C.: Partikulare Konkretion universal zugänglicher Information : Beobachtungen zur Konzeptionierung fachlicher Internet-Seiten am Beispiel der Theologie (2000)
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Levy, D.M.: Digital libraries and the problem of purpose (2000)
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Gersmann, G.; Dörr, M.: ¬Der Server Frühe Neuzeit als Baustein für eine Virtuelle Fachbibliothek Geschichte (2001)
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