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Preston, C.M.; Lynch, C.A.: Report of the first international conference on information and knowledge management (1993)
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Järvelin, K.; Niemi, T.: Deductive information retrieval based on classifications (1993)
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Järvelin, K.; Kristensen, J.; Niemi, T.; Sormunen, E.; Keskustalo, H.: ¬A deductive data model for query expansion (1996)
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Pole, T.: Contextual classification in the Metadata Object Manager (M.O.M.) (1999)
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