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Bordogna, G.; Pasi, G.: ¬A fuzzy linguistic approach generalizing Boolean information retrieval : a model and its evaluation (1993)
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Turunen, E.: Mathematics behind fuzzy logic (1999)
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Fuzziness in database management systems (1995)
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Quast, D.: Neural fuzzy networks reasoning with uncertainty : what can knowledge- and information retrieval engineers learn from brain research? (1995)
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Wong, S.K.M.: On modelling information retrieval with probabilistic inference (1995)
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