Creating fuzzy concepts: the one-sided threshold, fuzzy closure and factor analysis methods

Authors:
Valerie Cross;Meenakshi Kandasamy
Affiliations:
Computer Science and Software Engineering, Miami University, Oxford, OH;Computer Science and Software Engineering, Miami University, Oxford, OH
Venue:
RSFDGrC'11 Proceedings of the 13th international conference on Rough sets, fuzzy sets, data mining and granular computing
Year:
2011

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Abstract

The two main approaches to fuzzy concept lattice creation are the one-sided threshold approach and the fuzzy closure approach. These two methods are applied to gene annotation data files that are converted into fuzzy formal contexts by translating evidence codes into a degree of evidence strength in [0, 1]. Fuzzy factor analysis is also applied to this same test data. These three methods are briefly described and then compared based on their results using the gene annotation data files.