Formal Contexts, Formal Concept Analysis, and Galois Connections

Jeffrey T. Denniston
Austin Melton
Stephen E. Rodabaugh

Formal concept analysis (FCA) is built on a special type of Galois connections called polarities. We present new results in formal concept analysis and in Galois connections by presenting new Galois connection results and then applying these to formal concept analysis. We also approach FCA from the perspective of collections of formal contexts. Usually, when doing FCA, a formal context is fixed. We are interested in comparing formal contexts and asking what criteria should be used when determining when one formal context is better than another formal context. Interestingly, we address this issue by studying sets of polarities.

In Anindya Banerjee, Olivier Danvy, Kyung-Goo Doh and John Hatcliff: Semantics, Abstract Interpretation, and Reasoning about Programs: Essays Dedicated to David A. Schmidt on the Occasion of his Sixtieth Birthday (Festschrift for Dave Schmidt), Manhattan, Kansas, USA, 19-20th September 2013, Electronic Proceedings in Theoretical Computer Science 129, pp. 105–120.
Published: 19th September 2013.

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