Istituto di Scienza e Tecnologie dell'Informazione     
Bobillo F., Straccia U. Fuzzy descriptions logics with fuzzy truth values. In: IFSA-EUSFLAT 2009 - 13th World Congress of the International Fuzzy Systems Association and 6th Conference of the European Society for Fuzzy Logic and Technology (Lisbon, Portugal, Luglio 2009). Proceedings, pp. 189 - 194. J. P. B. Carvalho, D. Dubois, U. Kaymak, J. M. C. Sousa (eds.). International Fuzzy Systems Association, 2009.
Fuzzy Description Logics are a family of logics which allow to deal with structured knowledge affected by vagueness. Although a relatively important amount of work has been carried out in the last years, current fuzzy DLs are open to be extend with several features worked out in the fuzzy logic literature. In this work, we extend fuzzy DLs with fuzzy truth values, allowing to state sentences such as ``Tina is young is almost true''.
Subject Fuzzy Description logics
I.2.4 Knowledge Representation Formalisms and Methods

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