Istituto di Scienza e Tecnologie dell'Informazione     
Locuratolo E., Palomäki J. Extensional and intensional aspects of conceptual design. vol. 79 H. Jaakkola, Y. Kiyoki, T. Tokuda (eds.). (Frontiers in Artificial Intelligence and Applications, vol. 166). Amsterdam,The Netherlands: IOS Press, 2008.
A partition method is designed to achieve the flexibility of semantic models in reflecting changes occurring in real life and the efficiency on object systems. The method of partition has been applied only to the extensional aspects of concepts, i.e. set. In this paper a partition method is applied to the intensional aspects of concepts as well. A particular problem concerning the intensional negation of a concept is solved by defining a restricted intensional negation of a concept, which is important in all practical conceptual design situations all of which are confined in specific restricted part of the universe of discourse. Some further development of partitioning is presented as well.
URL: http://www.booksonline.iospress.nl/Content/View.aspx?piid=7921
Subject Semantic models
H.1 Models and Principles
H.2 Database Management
03E Set Theory
03B General Logic

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