An efficient method of renewing object-induced three-way concept lattices involving decreasing attribute-granularity levels
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- An efficient method of renewing object-induced three-way concept lattices involving decreasing attribute-granularity levels
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Concept Reduction of Object-induced Three-way Concept Lattices
Rough SetsAbstractThree-way concept lattices are a combination of three-way decision theory and classic concept lattices. Attribute reduction is one of the critical topics in formal concept analysis and has been extensively studied. This paper discusses the concept ...
Tri-granularity attribute reduction of three-way concept lattices
AbstractA real-world dataset often generates a huge concept lattice that may be difficult to understand and impractical to use. The principle of granular computing is that we can understand and use a complex whole at multiple levels of ...
Highlights- We propose a unified tri-granularity model of various types of concept lattices.
Three-way dual concept analysis
AbstractThree-way concept analysis is a mathematical theory, which combines formal concept analysis and three-way decision. The existing models, i.e., three-way concept lattices and three-way object oriented concept lattices, have been used ...
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Elsevier Science Inc.
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