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Goren-Bar, D.; Kuflik, T.: Supporting user-subjective categorization with self-organizing maps and learning vector quantization (2005)
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Broadbent, E.: ¬The online catalog : dictionary, classified, or both? (1989)
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Reiner, U.: DDC-based search in the data of the German National Bibliography (2008)
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Jansen, B.J.; Booth, D.L.; Spink, A.: Determining the informational, navigational, and transactional intent of Web queries (2008)
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Chan, L.M.: Library of Congress Classification : alternative provisions (1995)
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