Search (177 results, page 9 of 9)

  • × theme_ss:"Hypertext"
  1. Tudhope, D.; Taylor, C.: ¬A unified similarity coefficient for navigating through multi-dimensional information (1996) 0.00 
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  2. Dimitroff, A.; Wolfram, D.; Volz, A.: Affective response and retrieval performance : analysis of contributing factors (1996) 0.00 
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  3. Petrou, C.; Martakos, D.; Hadjiefthymiades, S.: Adding semantics to hypermedia towards link's enhancements and dynamic linking (1997) 0.00 
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  4. Kuhlen, R.; Hess, M.S.: Passagen-Retrieval : auch eine Möglichkeit der automatischen Verknüpfung in Hypertexten (1993) 0.00 
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  5. Karampiperis, P.; Sampson, D.: Supporting accessible hypermedia in web-based educational systems : defining an accessibility application profile for learning resources (2004) 0.00 
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  6. Barabási, A.-L.: Linked: The New Science of Networks (2002) 0.00 
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    Footnote
    Rez. in: nfd 54(2003) H.8, S.497 (T. Mandl): "Gesetze der digitalen Anarchie - Hyperlinks im Internet entstehen als Ergebnis sozialer Prozesse und können auch als formaler Graph im Sinne der Mathematik interpretiert werden. Die Thematik Hyperlinks ist im Information Retrieval höchst aktuell, da Suchmaschinen die Link-Struktur bei der Berechnung ihrer Ergebnisse berücksichtigen. Algorithmen zur Bestimmung des "guten Rufs" einer Seite wie etwa PageRank von Google gewichten eine Seite höher, wenn viele links auf sie verweisen. Barabási erklärt dem Leser seines Buches darüber hinaus noch, wie es zu solchen Phänomenen kommt. Soziale Prozesse im Netz wirken so, dass bereits bekannte Seiten mit größerer Wahrscheinlichkeit auch wieder weitere Links oder neue Besucher anziehen. Barabási ist Physiker an der Notre-Dame University und ihm fehlt ebenso wie Huberman die informationswissenschaftliche Perspektive. Er fragt also kaum, wie kann das Wissen über Netzwerke zu Verbesserungen in Informationssystemen führen, die Benutzerbedürfnisse besser erfüllen. Gleichwohl lohnt sich die Lektüre auch für Informationswissenschaftler. Barabäsi stellt die aktuelle Forschung zur Netzwerkstruktur des Internets auf einfache Weise fast ohne Zugeständnisse an Aktualität und Komplexität dar. Wie Huberman verzichtet auch er weitgehend auf Formeln und andere Formalismen. Der in Ungarn geborene Barabási lässt darüber hinaus keine Anekdote aus, sei es über die Begründer der Graphen-Theorie, im peer-review abgelehnte Beiträge und persönliche Begegnungen mit anderen Forschern. Barabási beginnt mit einfachen Netzwerkstrukturen und schreitet didaktisch über internet-ähnliche Netzwerke weiter zu Anwendungen und praktischen Beispielen aus unterschiedlichsten Disziplinen. Er schafft mit seinem Buch "Linked" unter anderem Links zwischen der ungarischen Literatur, dem I-Love-You Computer-Virus, der Verbreitung von Aids, den Theorien Einsteins, den Aufsichtsräten der wichtigsten amerikanischen Firmen, dem Al-Qaeda-Netzwerk und der Struktur und der Funktion biologischer Zellen. Zu Beginn seines Buches berichtet Barabási von sogenannten kleinen Welten, in denen viele Objekte über wenige Verbindungen zusammenhängen. Ein Blick in den eigenen größeren Bekanntenkreis mag bestätigen, dass viele Menschen über wenige Schritte zwischen Bekannten erreichbar sind. Sowohl Barabäsi als auch Huberman gehen auf die Geschichte des ersten sozialwissenschaftlichen Experiments zu diesem Thema ein, das in den 1960er Jahren versuchte, die Anzahl von Schritten zwischen gemeinsamen Bekannten zu bestimmen, welche vom Mittleren Westen der USA an die Ostküste führt. Die genauere Struktur solcher Systeme, in denen manche Knoten weitaus mehr Beziehungen zu anderen eingehen als der Durchschnitt, führt hin zum Internet. Im Web lässt sich keineswegs immer ein Pfad zwischen zwei Knoten finden, wie noch vor wenigen Jahren vermutet wurde. Die durchschnittliche Entfernung war damals noch mit 19 Klicks berechnet worden. Vielmehr herrscht eine differenziertere Struktur, die Barabási vorstellt und in der zahlreiche Seiten in Sackgassen führen. Huberman wie Barabási diskutieren auch negative Aspekte des Internet. Während Huberman die Wartezeiten und Staus bei Downloads analysiert, bespricht Barabási die rasante Verbreitung von ComputerViren und weist auf die Grundlagen für diese Gefährdung hin. Das vorletzte Kapitel widmen übrigens beide Autoren den Märkten im Internet. Spätestens hier werden die wirtschaftlichen Aspekte von Netzwerken deutlich. Beide Titel führen den Leser in die neue Forschung zur Struktur des Internet als Netzwerk und sind leicht lesbar. Beides sind wissenschaftliche Bücher, wenden sich aber auch an den interessierten Laien. Das Buch von Barabási ist etwas aktueller, plauderhafter, länger, umfassender und etwas populärwissenschaftlicher."
  7. Hammwöhner, R.: Hypertext (2004) 0.00 
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    Source
    Grundlagen der praktischen Information und Dokumentation. 5., völlig neu gefaßte Ausgabe. 2 Bde. Hrsg. von R. Kuhlen, Th. Seeger u. D. Strauch. Begründet von Klaus Laisiepen, Ernst Lutterbeck, Karl-Heinrich Meyer-Uhlenried. Bd.1: Handbuch zur Einführung in die Informationswissenschaft und -praxis
  8. Ellis, D.; Furner-Hines, J.; Willett, P.: On the creation of hypertext links in full-text documents : measurement of inter-linker consistency (1994) 0.00 
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  9. Sarre, F.; Güntzer, U.; Myka, A.; Jüttner, G.: Maschinelles Lernen von Relationen für Thesauri und Hypertext (1992) 0.00 
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  10. Barab, S.A.; Bowdish, B.E.; Lawless, K.A.: Hypermedia navigation : profiles of hypermedia users (1997) 0.00 
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    Source
    ETR&D - Educational technology research and development. 45(1997) no.3, S.23-41
  11. Maislin, S.: Ripping out the pages (2000) 0.00 
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    Issue
    Beyond book indexing: how to get started in Web indexing, embedded indexing and other computer-based media. Ed. by D. Brenner u. M. Rowland.
  12. Krajewski, M.: Paper machines : about cards & catalogs, 1548-1929 (2011) 0.00 
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  13. Arnold, J.: Semiotische und textlinguistische Bestimmung des Hyperlink (2001) 0.00 
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  14. Nakakoji, K.; Yamamoto, Y.; Akaishi, M.; Hori, K.: Interaction design for scholarly writing : hypertext representations as a means for creative knowledge work (2005) 0.00 
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    Abstract
    This paper presents our approach of using hypertext representations to support a scholar in the early stages of a scholarly writing process. We take D. A. Schoen's model of design as a theoretical framework. Schoen views design as a reflective conversation with the materials of a situation, where the designer interacts with the materials, such as pen and sketch on a sheet of paper, in the reflection-in-action process. The designer acts and reflects almost simultaneously; acting on external representations, interpreting emerging representations, and reacting to them. We argue that a scholar needs to engage in two different types of representations in the reflection-in-action process: external representations for thinking about the problem, and representations for expressing a solution in a publishable form. The former does not necessarily precede the latter; rather, the two representations coevolve through the reflection-in-action process. Our approach uses hypertext representations as a means to interact with in the early stages of scholarly writing both for thinking about the problem and for expressing a solution. Hypertext representations have long been studied in their relation to supporting human intellectual work; our approach, however, is unique in providing the two representations with a specific concern for supporting reflection-in-action by applying the concept called ART (Amplifying Representational Talkback) as an interaction design principle. Based on this framework, we have developed ART014, a tool for scholarly writing. ART014 simultaneously supports two types of hypertext representations: a column-based network hypertext representation and a spatial hypertext representation. The two representations are located side by side, and integrated when an interaction with one representation is reflected in the visual presentation of the other. Although a user operates on the same set of objects through the two representations, the user expresses relationships among the objects independently in the two representations. We present a scenario to illustrate in detail how the design concepts underpinning ART014 supports scholarly writing. This paper then discusses our approach from three viewpoints by using the scenario: use of the two representations, engagement in reflection-in-action, and modes of authoring. The paper concludes with a description of future directions.
  15. Meier, P.: Visualisierung von Kommunikationsstrukturen für kollaboratives Wissensmanagement in der Lehre (2006) 0.00 
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  16. Jünger, G.: ¬Ein neues Universum (2003) 0.00 
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  17. Krajewski, M.: Zettelwirtschaft : Die Geburt der Kartei aus dem Geiste der Bibliothek (2002) 0.00 
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