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Brock TR # CS-03-01 Abstract

Approximation operators in qualitative data analysis    [PDF]
Ivo Düntsch and Günther Gediga, January 2003.

A large part of qualitative data analysis is concerned with approximations of sets on the basis of relational information. In this paper, we present various forms of set approximations via the unifying concept of modal-style operators. Two examples indicate the usefulness of the approach.