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Bodoff, D.: ¬A re-unification of two competing models for document retrieval (1999)
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Maron, M.E.: Probabilistic design principles for conventional and full-text retrieval systems (1988)
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Losee, R.M.: Comparing Boolean and probabilistic information retrieval systems across queries and disciplines (1997)
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Everett, D.M.; Cater, S.C.: Topology of document retrieval systems (1992)
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