A Hybrid Case Based Reasoning System Using Fuzzy-Rough Sets and Formal Concept Analysis

Authors:
Jirapond Tadrat;Veera Boonjing;Puntip Pattaraintakorn
Affiliations:
King Mongkut's Institute of Technology Ladkrabang, Thailand;King Mongkut's Institute of Technology Ladkrabang, Thailand;King Mongkut's Institute of Technology Ladkrabang, Thailand
Venue:
FSKD '07 Proceedings of the Fourth International Conference on Fuzzy Systems and Knowledge Discovery - Volume 03
Year:
2007

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Abstract

In this paper, we propose a new hybrid case based reasoning system based on rough set theory, formal concept analysis and fuzzy sets. This system applies rough set theory to assure minimally sufficient cases in its case base. It uses formal concept analysis to reveal knowledge of attribute dependencies in terms of concept lattices. Numeric attributes are transformed to be suitable for formal concept analysis using fuzzy sets.