Flow graphs and decision tables with fuzzy attributes

Authors:
Alicja Mieszkowicz-Rolka;Leszek Rolka
Affiliations:
Department of Avionics and Control, Rzeszów University of Technology, Rzeszów, Poland;Department of Avionics and Control, Rzeszów University of Technology, Rzeszów, Poland
Venue:
ICAISC'06 Proceedings of the 8th international conference on Artificial Intelligence and Soft Computing
Year:
2006

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Abstract

This paper is concerned with the issue of design and analysis of fuzzy decision systems, basing on recorded process data. A concept of fuzzy flow graphs is proposed to allow representation of decision tables with fuzzy attributes. Basic notions of the crisp flow graph approach are generalized. Satisfaction of flow graph properties, with respect to fuzzy connectives used in calculations, is taken into account. Alternative definitions of the path's certainty and strength are introduced. In an illustrative example a decision table with fuzzy attributes is analyzed and interpreted in terms of flow graphs.