Titlebook: Rough Sets; International Joint Tamás Mihálydeák,Fan Min,Davide Ciucci Conference proceedings 2019 Springer Nature Switzerland AG 2019 app

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An Application of Bayesian Confirmation Theory for Three-Way Decisionfirm, or be neutral with respect to a hypothesis. A quantitative approach uses Bayesian confirmation measures to evaluate the degree to which a piece of evidence confirms a hypothesis. In both approaches, we may perform a three-way classification of a set of pieces of evidence for a given hypothesis

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Rough Sets Defined by Multiple Relationsupper approximations determined by tolerances . on .. Using this kind of multiple upper approximations we can express “softer” uncertainties of different kinds. We can order the set . of the multiple approximations of all subsets of the universe . by the coordinatewise inclusion. We show that whenev

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Iterative Set Approximations Based on Tolerance Relationnking method aggregates all the information embedded in the tolerance relation and selects the most promising representatives. We present the method in the context of its process and describe some interesting features of our approximation pairs.

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Approximation Based on Representativeson a tolerance relation. Its output is a partition. The system of base sets can be derived from the partition and a new approximation space appears. This space focuses on the similarity (the tolerance relation) itself and it is different from the covering type approximation space relying on a tolera

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Local Search for Attribute Reduction a relative reduct. Then attempts to remove some attributes to make the reduct smaller. Process of attributes selection is the main difference between the algorithms. It is random for the first one, and a sophisticated selection procedure is used for the second algorithm. Moreover a fixed number of

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Rough Matroids Based on Dual Approximation Operatorsneralization of lower and upper rough matroids based on coverings. A new definition of lower and upper definable sets related with an approximation operator is presented and these definable sets are used for defining rough matroids based on an approximation operator. Finally, an order relation for a