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Egghe, L.: Vector retrieval, fuzzy retrieval and the universal fuzzy IR surface for IR evaluation (2004)
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Burrell, Q.L.: "Ambiguity" ans scientometric measurement : a dissenting view (2001)
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Cooper, W.S.: Some inconsistencies and misidentified modelling assumptions in probalistic information retrieval (1995)
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Wong, S.K.M.: On modelling information retrieval with probabilistic inference (1995)
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Dominich, S.: ¬A unified mathematical definition of classical information retrieval (2000)
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