Abstract
Formal Concept Analysis (FCA) is a method mainly used for the analysis of data, which identifies conceptual structures among data sets. Central to FCA is the notion of a formal context. In this paper, we mainly introduce some extended formal contexts to FCA in virtue of some methods from rough set theory. The definitions for formal concepts in these extended contexts and the basic properties about these extended contexts are also given. © Springer-Verlag Berlin Heidelberg 2006.
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Jiang, F., Sui, Y., & Cao, C. (2006). Rough contexts and rough-valued contexts. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 4062 LNAI, pp. 176–183). Springer Verlag. https://doi.org/10.1007/11795131_26
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