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Article

Approximating concept stability

Lecture Notes in Computer Science. 2012. Vol. 7278 LNAI. P. 7-15.
Babin M. A., Kuznetsov S.
Concept stability was used in numerous applications for selecting concepts as biclusters of similar objects. However, scalability remains a challenge for computing stability. The best algorithms known so far have algorithmic complexity quadratic in the size of the lattice. In this paper the problem of approximate stability computation is analyzed. An approximate algorithm for computing stability is proposed. Its computational complexity and results of computer experiments in comparing stability index and its approximations are discussed.