Abstract
We propose a generalization of the rough set model where approximation operators are defined relative to a given collection of subsets of the domain of objects. A modal logic with semantics based on relative accessibility relations is also proposed, that can be used to reason about the proposed approximations.
V. S. Patel—This work has been supported by the Council of Scientific and Industrial Research (CSIR) India, Research Grant No. 09/1022(0028)/2016-EMR-I.
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Khan, M.A., Patel, V.S. (2018). A Formal Study of a Generalized Rough Set Model Based on Relative Approximations. In: Nguyen, H., Ha, QT., Li, T., Przybyła-Kasperek, M. (eds) Rough Sets. IJCRS 2018. Lecture Notes in Computer Science(), vol 11103. Springer, Cham. https://doi.org/10.1007/978-3-319-99368-3_39
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