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rst09 panel - Rough Sets Theory

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Partially known concepts<br />

<br />

One has a partially known concept defined by a<br />

lower bound and upper bound of its extension.<br />

Interval sets<br />

<br />

Y.Y. Yao, Interval-set algebra for qualitative knowledge<br />

representation, Proceedings of the Fifth International<br />

Conference on Computing and Information, 370-374, 1993.

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