Information Retrieval Book by Mark Toussi - Bookswagon
Information Retrieval

Information Retrieval


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About the Book

Inhaltsangabe: Gang der Untersuchung: Information Retrieval befaßt sich mit der Erschließung, Speicherung und Wiedergewinnung von Information. Die Inhalte des Information Retrieval werden anhand von Online-Datenbanken erklärt und in bezug auf Bewertungsmöglichkeiten von Retrievalsystemen vertieft. Den erläuterten Inhalten des Information Retrieval entsprechend werden zwei Dienste des Internet untersucht: die Wide Area Information Server (WAIS) und das World Wide Web (WWW). Die Darstellung von WAIS geht besonders auf das Retrievalsystem WAIS und die Nutzung (und Verfügbarkeit) von WAIS Datenbanken im Internet ein. Das Gewicht der Untersuchung des WWW konzentriert sich auf die verschiedenen Retrievalhilfen, welche im Kontext der Hypertextumgebung des WWW erläutert werden. Der Unterschied zwischen Suchen und Navigieren wird am Beispiel der beiden Dienste herausgearbeitet. Konkrete Suchanfragen werden abschließend in beiden Diensten mit den entsprechenden Clients durchgeführt. Inhaltsverzeichnis: Inhaltsverzeichnis: Inhaltsübersicht1 Zusammenfassung5 1.Einleitung6 2.Information Retrieval9 2.1Erschließung und Retrieval10 2.2Wissensstrukturen13 2.3Zum Problem der Bewertung von Retrievalsystemen14 2.3.1Eingrenzende und erweiternde Suchmöglichkeiten18 2.4Vorgehensweise dieser Arbeit19 3.Einordnung von WAIS und WWW in Basis-, Mehrwert- und Metainformationsdienste des Internet21 4.Wide Area Information Server (WAIS)24 4.1Maschinelle Indexierung am Beispiel WAIS24 4.2Retrieval mit WAIS26 4.2.1Das Vektorraummodell (VRM) in bezug auf WAIS26 4.3Suchmöglichkeiten und benutzte Versionen im Netz28 4.4WAIS und dessen Nutzung im Internet30 4.5Recherche mit einem WAIS Client35 4.6WAIS-Erfahrung38 5.World Wide Web (WWW)39 5.1Hypertext als Form der Inhaltserschließung: Die Verwirklichung der Vision von Vannevar Bush im WWW40 5.2Strukturierung von Text und inhaltliche Zusammenführung von Dokumenten41 5.2.1Grundbausteine41 5.2.2Verknüpfungen ("Links") in bezug auf


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Product Details
  • ISBN-13: 9783838606361
  • Publisher: Diplom.de
  • Binding: Paperback
  • Language: German
  • Returnable: N
  • Spine Width: 6 mm
  • Weight: 195 gr
  • ISBN-10: 3838606361
  • Publisher Date: 21 Jan 1998
  • Height: 210 mm
  • No of Pages: 104
  • Series Title: German
  • Sub Title: Am Beispiel der Wide Area Information Server (WAIS) und dem World Wide Web (WWW)
  • Width: 148 mm


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