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Many-Valued Rough Sets Based on Tied Implications

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Rough Sets and Knowledge Technology (RSKT 2014)

Part of the book series: Lecture Notes in Computer Science ((LNAI,volume 8818))

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Abstract

We investigate a general many-valued rough set theory, based on tied adjointness algebras, from both constructive and axiomatic approaches. The class of tied adjointness algebras constitutes a particularly rich generalization of residuated algebras and deals with implications (on two independently chosen posets (L, ≤  L ) and \(\left( P,\leq_{P}\right) \), interpreting two, possibly different, types of uncertainty) tied by an integral commutative ordered monoid operation on P. We show that this model introduces a flexible extension of rough set theory and covers many fuzzy rough sets models studied in literature. We expound motivations behind the use of two lattices L and P in the definition of the approximation space, as a generalization of the usual one-lattice approach. This new setting increase the number of applications in which rough set theory can be applied.

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Correspondence to Moataz El-Zekey .

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El-Zekey, M. (2014). Many-Valued Rough Sets Based on Tied Implications. In: Miao, D., Pedrycz, W., Ślȩzak, D., Peters, G., Hu, Q., Wang, R. (eds) Rough Sets and Knowledge Technology. RSKT 2014. Lecture Notes in Computer Science(), vol 8818. Springer, Cham. https://doi.org/10.1007/978-3-319-11740-9_3

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  • DOI: https://doi.org/10.1007/978-3-319-11740-9_3

  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-11739-3

  • Online ISBN: 978-3-319-11740-9

  • eBook Packages: Computer ScienceComputer Science (R0)

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