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Yang, Y.; Liu, X.: ¬A re-examination of text categorization methods (1999)
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Reiner, U.: Automatische DDC-Klassifizierung von bibliografischen Titeldatensätzen (2009)
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Automatic classification research at OCLC (2002)
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Reiner, U.: Automatische DDC-Klassifizierung bibliografischer Titeldatensätze der Deutschen Nationalbibliografie (2009)
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