Document (#13173)

Author

Däßler, R.
Otto, A.

Title

Knowledge Browser : ein VRML-Retrievalinterface für GEOLIS(GFZ)

Source

Nachrichten für Dokumentation. 47(1996) H.3, S.151-158

Year

1996

Abstract

Eines der Schlüsselprobleme heutiger Kommunikations- und Informationstechnologien ist der Zugang zu großen Datenmengen. VR-basierte Retrievaloberflächen optimieren die Informationssuche durch Navigieren und Browsen in virtuellen Informationsräumen. Dieser Artukel beschreibt dasKonzept einer neuartigen VRML-basierten Retrievalschnittstelle für das Geoinformationssystem GEOLIS(GFZ). Der KnowledgeBrowser, eine visuelle 3D-Nutzerschnittstelle zur Unterstützung des textorientierte Information Retrieval, orientiert sich in erster Linie an den Erfordernissen des interaktiven Online-Retrieval in verteilten Netzen. Die Nutzerschnittstelle beinhaltet 2 Kernfunktionalitäten: Den Informationsprozessor zur automatischen Volltextanalyse und Klassifikation und den VRML-Konverter, der aus der Klassifikationsstruktur einen virtuellen Informationsraum in Form eines VRML-Skripts erzeugt. Die räumliche Retrievalschnittstelle ist palttformunabhängig und steht somit jedem Nutzer mit herkömmlicher WWW-Browser-Technologie zur Verfügung. Der hierarchisch aufgebaute Informationsraum bietet die Möglichkeit der interaktiven, inhaltsbezogenen Informationssuche insbesondere bei unscharfen Suchkriterien. Zielinformationen können direkt über Hyperlinks aus dem Informationsraum abgerufen werden

Footnote

Internet-Adressen: (1) http://www.gfz-potsdam.de/drz/geolis/ (2) http://www.gfz-potsdam.de/cgi-bin/thematic_mapper (3) http://www.sgi.com/Fun/free/cool_sw_01.html

Object

KnowledgeBrowser
GEOLIS

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