Document (#38082)

Author
Groß, T.
Title
Automatische Indexierung von Dokumenten in einer wissenschaftlichen Bibliothek : Implementierung und Evaluierung am Beispiel der Deutschen Zentralbibliothek für Wirtschaftswissenschaften
Imprint
Hamburg : Diplomica Verlag
Year
2011
Pages
IV, 88 S
Isbn
978-3-84285801-5
Abstract
Die Bewertung der Indexierungsqualität bzw. -güte ist ein grundlegendes Problem von intellektuellen und automatischen Indexierungsverfahren. Letztere werden aber gerade im digitalen Zeitalter als einzige Möglichkeit angesehen, den zunehmenden Schwierigkeiten bibliothekarischer Informationsstrukturierung gerecht zu werden. Diese Studie befasst sich mit der Funktionsweise, Implementierung und Evaluierung der Sacherschließungssoftware MindServer Categorizer der Firma Recommind an der Deutschen Zentralbibliothek für Wirtschaftswissenschaften. 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 Schlagwörter umfassenden Standard-Thesaurus Wirtschaft wird der ursprünglich rein statistische Indexierungsansatz des MindServer Categorizer zu einem begriffsorientierten Verfahren weiterentwickelt und zur Inhaltserschließung digitaler Informationsressourcen eingesetzt. Der zentrale Fokus dieser Studie liegt vor allem auf der Evaluierung der maschinell beschlagworteten Titel, in Anlehnung an die hierzu von Stock und Lancaster vorgeschlagenen Kriterien: Indexierungskonsistenz, -tiefe, -breite, -spezifität, -effektivität. Weiterhin wird die Belegungsbilanz des STW evaluiert und es erfolgt zusätzlich eine qualitative, stichprobenartige Bewertung der Ergebnisse seitens der zuständigen Fachreferenten und -referentinnen.
Content
Vgl. die zugrunde liegende Masterarbeit unter: http://edoc.hu-berlin.de/series/berliner-handreichungen/2010-284/PDF/284.pdf.
Theme
Automatisches Indexieren
Field
Wirtschaftswissenschaften
Object
MindServer Categorizer
RSWK
Automatische Indexierung / Dokument / Wissenschaftliche Bibliothek
BK
06.41 Wissenschaftliche Bibliotheken
06.54 Bibliotheksautomatisierung
06.70 Katalogisierung, Bestandserschließung
RVK
AN 95300

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