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      <subfield code="a">Del Amo, Ana</subfield>
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      <subfield code="a">Montero De Juan, Francisco Javier</subfield>
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      <subfield code="a">In this paper we analyze the concept of fuzzy partition, starting from the classical key definition given by E.H. Ruspini (1969). Our main claim is that such a definition is too restrictive, since it assumes a particular set of classes that in practice may be reached only after a long learning process. As a consequence, some principles to be taken into account in fuzzy classification methods are discussed</subfield>
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      <subfield code="a">Del Amo, A., Montero, J., Cutello, V.: On the principles of fuzzy classification. En: 18th International Conference of the North American Fuzzy Information Processing Society - NAFIPS (Cat. No.99TH8397). pp. 675-679. IEEE, New York, NY, USA (1999)</subfield>
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      <subfield code="a">On the principles of fuzzy classification.</subfield>
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