Document (#39077)

Author
Groß, T.
Title
Automatische Indexierung von wirtschaftswissenschaftlichen Dokumenten : Implementierung und Evaluierung am Beispiel der Deutschen Zentralbibliothek für Wirtschaftswissenschaften
Imprint
Berlin : Institut für Bibliotheks- und Informationswissenschaft der Humboldt-Universität zu Berlin
Year
2010
Pages
98 S
Series
Berliner Handreichungen zur Bibliothekswissenschaft ; 284
Abstract
Die Bewertung der Indexierungsqualität bzw. -güte ist ein grundlegendes Problem von manuellen und automatischen Indexierungsverfahren. Letztere werden aber gerade im digitalen Zeitalter als einzige Möglichkeit angesehen, den zunehmenden Schwierigkeiten bibliothekarischer Informationsstrukturierung gerecht zu werden. Diese Arbeit befasst sich mit der Funktionsweise, Implementierung und Evaluierung der Sacherschließungssoftware MindServer Categorizer, der Firma Recommind, an der Deutschen Zentralbibliothek für Wirtschaftswissenschaften (ZBW). Grundlage der maschinellen Sacherschließung und anschließenden quantitativen und qualitativen Auswertung bilden rund 39.000 wirtschaftswissenschaftliche Dokumente aus den Datenbanken Econis und EconStor. Unter Zuhilfenahme des rund 6.000 Deskriptoren umfassenden Standard-Thesaurus Wirtschaft (STW) wird der ursprünglich rein statistische Indexierungsansatz des MindServer Categorizer zu einem begriffsorientierten Verfahren weiterentwickelt und zur Inhaltserschließung digitaler Informationsressourcen eingesetzt. Der zentrale Fokus dieser Arbeit liegt vor allem auf der Evaluierung der maschinell beschlagworteten Titel, in Anlehnung und entsprechender Anpassung der von Stock (2008) und Lancaster (2003) hierzu vorgeschlagenen Kriterien: Indexierungskonsistenz, -tiefe, -breite, -spezifität, -effektivität. Zusätzlich wird die Belegungsbilanz des STW evaluiert und es erfolgt ferner eine stichprobenartige, qualitative Bewertung der Ergebnisse seitens der zuständigen Fachreferenten und -referentinnen.
Content
Vgl. unter: http://edoc.hu-berlin.de/series/berliner-handreichungen/2010-284/PDF/284.pdf. Auch als: Automatische Indexierung von Dokumenten in einer wissenschaftlichen Bibliothek: Implementierung und Evaluierung am Beispiel der Deutschen Zentralbibliothek für Wirtschaftswissenschaften. Diplomica Verlag, 2011.
Theme
Automatisches Indexieren
Field
Wirtschaftswissenschaften
Object
MindServer Categorizer

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