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Concept approximations based on rough sets and similarity measures

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Saquer J., Deogun J. S.

International Journal of Applied Mathematics and Computer Science

2001

tom 11

nr 3

655-674

The formal concept analysis gives a mathematical definition of a formal concept. However, in many real-life applications, the problem under investigation cannot be described by formal concepts. Such concepts are called the non-definable concepts (Saquer and Deogun, 2000a). The process of finding formal concepts that best describe non-definable concepts is called the concept approximation. In this paper, we present two different approaches to the concept approximation. The first approach is based on rough set theory while the other is based on a similarity measure. We present algorithms for the two approaches.

Ograniczanie wyników

1 International Journal of Applied Mathematics and Computer Science

1 Deogun J. S.

1 Saquer J.

1 2001

Wyniki wyszukiwania

Concept approximations based on rough sets and similarity measures