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Habernal, I.; Konopík, M.; Rohlík, O.: Question answering (2012)
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Ma, W.: ¬A database selection expert system based on reference librarians's database selection strategy : a usability and empirical evaluation (2002)
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Schlögl, C.; Sutheo, P.: Concept and prototype of the hypercatalogue Graz-Budapest (HyperKGB) (1997)
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Lancaster, F.W.: Trends in subject indexing from 1957 to 2000 (1980)
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Studwell, W.E.: How stable is the cataloguing process? : Pt.1: the problem (1996)
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