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Frappaolo, C.: Artificial intelligence and text retrieval : a current perspective on the state of the art (1992)
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Wiggins, R.; Matthews, J.A.: Plateaus, peaks, and promises : the Infonortics '98 search engines conference (1998)
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Witte, R.; Krestel, R.; Kappler, T.; Lockemann, P.C.: Converting a historical architecture encyclopedia into a semantic knowledge base
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Lee, N.S.: InfoStation: a multimedia access system for library automation (1990)
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Chowdhury, G.G.: Natural language processing and information retrieval : pt.1: basic issues; pt.2: major applications (1991)
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