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The concept lattice is useful in knowledge processing and analyzing. And it has been used with a high intensity to knowledge reduction and data mining. This paper, from the viewpoint of concept extents, studies new and relatively reasonable formulas measuring attribute significance and proposes a theory for justifying whether an attribute set is a reduction on concept lattice, and then uses those formulas as heuristic information to design a novel and heuristic algorithm for attribute reduction on concept lattice. Finally, a real example is used to demonstrate both its feasibility and effectiveness.
Fuzzy Systems and Knowledge Discovery, 2009. FSKD '09. Sixth International Conference on (Volume:1 )
Date of Conference: 14-16 Aug. 2009