Document (#43783)

Author

Lepsky, K.

Title

Automatisches Indexieren

Source

Grundlagen der Informationswissenschaft. Hrsg.: Rainer Kuhlen, Dirk Lewandowski, Wolfgang Semar und Christa Womser-Hacker. 7., völlig neu gefasste Ausg

Imprint

Berlin : DeGruyter

Year

2023

Pages

S.171-182

Abstract

Unter Indexierung versteht man die Zuordnung von inhaltskennzeichnenden Ausdrücken (Indextermen, Indexaten, Erschließungsmerkmalen) zu Dokumenten. Über die zugeteilten Indexterme soll ein gezieltes Auffinden der Dokumente ermöglicht werden. Indexterme können inhaltsbeschreibende Merkmale wie Notationen, Deskriptoren, kontrollierte oder freie Schlagwörter sein; es kann sich auch um reine Stichwörter handeln, die aus dem Text des Dokuments gewonnen werden. Eine Indexierung kann intellektuell, computerunterstützt oder automatisch erfolgen. Computerunterstützte Indexierungsverfahren kombinieren die intellektuelle Indexierung mit automatischen Vorarbeiten. Bei der automatischen Indexierung werden die Indexterme automatisch aus dem Dokumenttext ermittelt und dem Dokument zugeordnet. Automatische Indexierung bedient sich für die Verarbeitung der Zeichenketten im Dokument linguistischer und statistischer Verfahren.

Footnote

Vgl.: https://doi.org/10.1515/9783110769043.

Theme

Automatisches Indexieren

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