Rough sets
Aplicação do algoritmo Rough Sets em um Data Warehouse
... de Rough Sets, que será responsável por processar os dados contidos no Data Warehouse, classificá-los e por fim, reduzir o conjunto de informações, se ...
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Rough Sets and Genetic Algorithm Using for Diagnostic Problems Solving
... of rough sets principles and genetic algorithm applying for real-world diagnostic problems solving of machine tools ...equipment. Rough set theory principles is an effective tool for indiscernibility ...
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Refinamento de consultas em lógicas de descrição utilizando teoria dos Rough sets
... O objetivo principal desta dissertac¸˜ao foi apresentar a teoria dos rough sets como uma ferramenta a ser utilizada no processo de Refinamento de Consultas. Uma consulta pode ser refinada por diversos ...
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Soft sets combined with interval valued intuitionistic fuzzy sets of type-2 and rough sets
... The rough set theory proposed by Pawlak[20] provides a systematic method for dealing with vague concepts caused by isdiscernability in situation with incomplete information or a lack of ...a rough set is a ...
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A Rough Sets based modified Scatter Search algorithm for solving 0-1 Knapsack problem
... Rough Sets theory is a new mathematical approach to imperfect knowledge that is proposed by Pawlak (1992) and works on vague and imprecise ...of sets and the relationships among them. The ...
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Soft Interval-Valued Neutrosophic Rough Sets
... [30] Min, F., Zhu, W.: Attribute reduction of data with error ranges and test costs. Information Sciences 211 (2012) 48 –67. [31] Min, F., He, H., Qian, Y., Zhu, W.: Test-cost-sensitive attribute reduction. Information ...
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Geração de Regras de Decisão Fuzzy Utilizando a Teoria dos Rough Sets
... Sarkar [40] propôs um método de classi cação denominado Fuzzy-Rough Nearest Neighbor Algorithm, capaz de distinguir entre a evidência e a ignorância no processo de classi cação de um dado objeto. Embora esse ...
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Pesqui. Oper. vol.32 número1
... ABSTRACT. The database of real world contains a huge volume of data and among them there are hidden piles of interesting relations that are actually very hard to find out. The knowledge discovery in databases (KDD) ...
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Dependency through Axiomatic Approach On Rough Set Theory
... constructive and algebraic (axiomatic) approaches in the study of rough sets. In the constructive approach one can define a pair of lower (inner) and upper (outer) approximation operators using the binary ...
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Near Rough and Near Exact Subgraphs in Gm-Closure Spaces
... of rough sets, proposed by Pawlak [20], is an extension of set theory for the study of intelligent systems characterized by insufficient and incomplete ...in rough set theory, knowledge hidden in ...
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Fuzzy-rough set and fuzzy ID3 decision approaches to knowledge discovery in datasets
... fuzzy sets are not exploited in the process of dimensionality ...–rough sets [5, 11], it is possible to use this information to better guide attribute ...
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A Study on Rough, Fuzzy and Rough Fuzzy Bi-ideals of Ternary Semigroups
... fuzzy sets was introduced by Zadeh in 1965 and that of rough sets by Pawlak in ...and rough set theory have been found in various ...fuzzy sets and rough sets were studied ...
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Approximate Equalities on Rough Intuitionistic Fuzzy Sets and an Analysis of Approximate Equalities
... of sets, which may not be equal in the mathematical sense, three types of approximate (rough) equalities were introduced by Novotny and Pawlak ([8, 9, ...of sets. Rough equivalences capture ...
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Using generalised Łukasiewicz`s t-norm to represent and improve fuzzy rough approximations
... Triangular norms are a generalisation of the classical two-valued conjunction. They were originally introduced for definition of the probabilistic (statistical) metric spaces as a generalisation of the classical triangle ...
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Knowledge space theory and union-closed sets conjecture
... The knowledge space theory provides a framework for knowledge management. One of major problems is to find core information for a body of knowledge. Union closed set conjecture, if true, guarantees that for a given ...
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Core sets da Classificação Internacional de Funcionalidade, Incapacidade e Saúde.
... core sets para situações de saúde que não correspondem a doenças, mas sim a períodos do atendimento a pessoas com alguns grupos de doenças – neurológicas, musculoesqueléticas, cardiorrespiratórias nas situações ...
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Mining high utility item sets from transaction database
... item sets from transactional ...item sets and four effective strategies, DGU, DGN, DLU and DLN, to reduce search space and the number of candidates for utility ...
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t-Generalized Closed Sets in Topological Spaces
... closed sets, semi generalized closed sets, generalized semi preclosed sets, α- generalized closed sets, generalized-α closed sets, strongly generalized closed sets, preclosed ...
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Nω –CLOSED SETS IN NEUTROSOPHIC TOPOLOGICAL SPACES
... [6] A.A. Salama, F. Samarandache and K. Valeri, Neutrosophic closed set and Neutrosophic continuous functions, Neutrosophic sets and Systems, 4(2014), 4-8. [7] R. Santhi and D. Jayanthi, Intuitionistic fuzzy ...
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