Proposal for Method of Design Evaluation Using Variable Precision Rough Sets
نویسندگان
چکیده
منابع مشابه
Lattice Structure of Variable Precision Rough Sets
The main purpose of this paper is to study the lattice structure of variable precision rough sets. The notion of variation in precision of rough sets have been further extended to variable precision rough set with variable classification error and its algebraic properties are also studied.
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Deenitions of a reduct for a single object, decision class and all objects of decision table for the variable precision rough sets model are introduced. The deenitions have a property that the set of prime implicants of minimal disjunctive normal form of a discernibility function is equal to the set of reducts. Thus the problem of reducts maintenance in dynamically extended information systems ...
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In this paper, we present a new version of discernibility matrix, so called variable precision discernibility matrix, which can tolerate the noise of information, in addition, a reduction algorithm is also presented based on the partial order relation of the conditional attribute and used to do image classification. Compared with traditional rough set and BP network, the results will be much be...
متن کاملVariable Precision Rough Set Model
A general ized model of rough sets called variable precision model (VP-model), a imed at modell ing classification problems involving uncertain or imprecise information, is presented. The general ized model inherits all basic mathematical propert ies of the original model introduced by Pawlak. The main concepts are introduced formally and illustrated with simple examples. The application of the...
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ژورنال
عنوان ژورنال: Transactions of Japan Society of Kansei Engineering
سال: 2010
ISSN: 1884-0833,1884-5258
DOI: 10.5057/jjske.j091018-1