Document (#33412)

Author

Helmbrecht-Schaar, A.

Title

Entwicklung eines Verfahrens der automatischen Klassifizierung für Textdokumente aus dem Fachbereich Informatik mithilfe eines fachspezifischen Klassifikationssystems

Imprint

Berlin : Humboldt-Universität, Institut für Bibliothekswissenschaft

Year

2007

Pages

62 S

Series

Berliner Handreichungen zur Bibliothekswissenschaft ; 200

Abstract

In der vorliegenden Arbeit werden die Möglichkeiten für eine Automatisierung des Klassifizierens von Online Dokumenten evaluiert und ein mögliches Verfahren prototypisch implementiert. Dabei werden Verfahren der Terminologieextraktion angewandt, um die Sinnträger der Texte zu ermitteln. Klassifikationen, die im Allg. nur wenige weiterführende Informationen enthalten, sollen über einen Mapping Mechanismus auf die das Dokument beschreibenden Terme angewandt werden. Im Ansatz wird bereits sichtbar, dass es keine rein automatische Klassifikation geben kann, da es immer einen Bruch zwischen den intellektuell erstellten Klassifikationen und den aus den Texten generierten Informationen geben wird. Es wird ein semiautomatisches Verfahren vorgestellt, das durch Anwenderaktionen lernt und zu einer sukzessiven Automatisierung führen kann. Die Ergebnisse der semiautomatischen Klassifizierung werden mit denen einer manuellen verglichen. Im Anschluss wird ein Ausblick auf Möglichkeiten und Grenzen der automatischen Klassifikation gegeben.

Theme

Automatisches Klassifizieren

Field

Informatik

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4. Oberhauser, O.: Automatisches Klassifizieren : Entwicklungsstand - Methodik - Anwendungsbereiche (2005) 0.26

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5. Pfeffer, M.: Automatische Vergabe von RVK-Notationen anhand von bibliografischen Daten mittels fallbasiertem Schließen (2007) 0.22

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