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Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983)
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Rijsbergen, C.J. van: Retrieval effectiveness (1981)
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Rijsbergen, C.J. van: ¬A non-classical logic for information retrieval (1986)
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Salton, G.; Rijsbergen, C.J. van; Maron, M.E.: Panel on key issues in information retrieval (1983)
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