Document (#17101)

Author

Panyr, J.

Title

Automatische thematische Textklassifikation und ihre Interpretation in der Dokumentengrobrecherche

Source

Wissensstrukturen und Ordnungsmuster. Proc. der 4. Fachtagung der Gesellschaft für Klassifikation, Salzburg, 16.-19.4.1980. Red.: W. Dahlberg

Imprint

Frankfurt : Indeks

Year

1980

Pages

S.284-293

Series

Studien zur Klassifikation; Bd.9

Abstract

Für die automatische Erschließung natürlich-sprachlicher Dokumente in einem Informationssystem wurde ein Verfahren zur automatischen thematischen hierarchischen Klassifikation der Texte entwickelt. Die dabei gewonnene Ordnungsstruktur (Begriffsnetz) wird beim Retrieval als Recherchehilfe engeboten. Die Klassifikation erfolgt in vier Stufen: Textindexierung, Prioritätsklassenbildung, Verknüpfung der begriffe und Vernetzung der Prioritätsklassen miteinander. Die so entstandenen Wichtigkeitsstufen sind die Hierarchieebenen der Klassifikation. Die während des Clusteringverfahrens erzeugten Begriffs- und Dokumenten-Gruppierungen bilden die Knoten des Klassifikationsnetzes. Die Verknüpfung zwischen den Knoten benachbarter Prioritätsklassen repräsentieren die Netzwege in diesem Netz. Die Abbildung der Suchfrage auf dieses Begriffsnetz wird zur Relevanzbeurteilung der wiedergewonnenen Texte benutzt

Theme

Automatisches Klassifizieren

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