메뉴 건너뛰기




Volumn 207, Issue , 2012, Pages 66-78

Relationships among generalized rough sets in six coverings and pure reflexive neighborhood system

Author keywords

Covering; Granular computing; Neighborhood system; Rough set theory

Indexed keywords

ACCURACY MEASURES; BINARY RELATION; COVERING; EQUIVALENCE RELATIONS; GENERALIZED ROUGH SET; ILLUSTRATIVE EXAMPLES; INCLUSION RELATION; INDISCERNIBILITY RELATION; NEIGHBORHOOD SYSTEMS; ROUGH SET; ROUGH SET MODELS;

EID: 84861613982     PISSN: 00200255     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ins.2012.03.023     Document Type: Article
Times cited : (42)

References (69)
  • 1
    • 84861650906 scopus 로고    scopus 로고
    • Granular computing on covering from the aspects of knowledge theory
    • R.B. Barot, T.Y. Lin, Granular computing on covering from the aspects of knowledge theory, in: IEEE NAFIPS, 2008.
    • (2008) IEEE NAFIPS
    • Barot, R.B.1    Lin, T.Y.2
  • 2
    • 78650570828 scopus 로고    scopus 로고
    • Sequential covering rule induction algorithm for variable consistency rough set approaches
    • J. Błlaszczyński, R. Słlowiński, and M. Szelag Sequential covering rule induction algorithm for variable consistency rough set approaches Inform. Sci. 181 5 2011 987 1002
    • (2011) Inform. Sci. , vol.181 , Issue.5 , pp. 987-1002
    • Błlaszczyński, J.1    Słlowiński, R.2    Szelag, M.3
  • 3
    • 76049105821 scopus 로고    scopus 로고
    • Granular computing applied to ontologies
    • S. Calegari, and D. Ciucci Granular computing applied to ontologies Int. J. Approx. Reason. 51 4 2010 391 409
    • (2010) Int. J. Approx. Reason. , vol.51 , Issue.4 , pp. 391-409
    • Calegari, S.1    Ciucci, D.2
  • 4
    • 72449177821 scopus 로고    scopus 로고
    • A rough set approach to feature selection based on ant colony optimization
    • Y. Chen, D.Q. Miao, and R.Z. Wang A rough set approach to feature selection based on ant colony optimization Pattern Recogn. Lett. 31 3 2010 226 233
    • (2010) Pattern Recogn. Lett. , vol.31 , Issue.3 , pp. 226-233
    • Chen, Y.1    Miao, D.Q.2    Wang, R.Z.3
  • 5
    • 79953290682 scopus 로고    scopus 로고
    • Positive approximation and converse approximation in interval-valued fuzzy rough sets
    • Y. Cheng, D.Q. Miao, and Q.R. Feng Positive approximation and converse approximation in interval-valued fuzzy rough sets Inform. Sci. 181 11 2011 2086 2110
    • (2011) Inform. Sci. , vol.181 , Issue.11 , pp. 2086-2110
    • Cheng, Y.1    Miao, D.Q.2    Feng, Q.R.3
  • 6
    • 0040183802 scopus 로고    scopus 로고
    • Neighborhood systems in fuzzy topological group
    • N.R. Das, and P. Das Neighborhood systems in fuzzy topological group Fuzzy Set. Syst. 116 3 2000 401 408
    • (2000) Fuzzy Set. Syst. , vol.116 , Issue.3 , pp. 401-408
    • Das, N.R.1    Das, P.2
  • 7
    • 33947261538 scopus 로고    scopus 로고
    • A novel approach to fuzzy rough sets based on a fuzzy covering
    • T.Q. Deng, Y.M. Chen, W.L. Xu, and Q.H. Dai A novel approach to fuzzy rough sets based on a fuzzy covering Inform. Sci. 177 11 2007 2308 2326
    • (2007) Inform. Sci. , vol.177 , Issue.11 , pp. 2308-2326
    • Deng, T.Q.1    Chen, Y.M.2    Xu, W.L.3    Dai, Q.H.4
  • 8
    • 80055029169 scopus 로고    scopus 로고
    • Textures and covering based rough sets
    • M. Diker, and A.A. Ugur Textures and covering based rough sets Inform. Sci. 184 1 2012 44 63
    • (2012) Inform. Sci. , vol.184 , Issue.1 , pp. 44-63
    • Diker, M.1    Ugur, A.A.2
  • 9
    • 80054063216 scopus 로고    scopus 로고
    • Rule learning for classification based on neighborhood covering reduction
    • Y. Du, Q.H. Hu, P.F. Zhu, and P.J. Ma Rule learning for classification based on neighborhood covering reduction Inform. Sci. 181 24 2011 5457 5467
    • (2011) Inform. Sci. , vol.181 , Issue.24 , pp. 5457-5467
    • Du, Y.1    Hu, Q.H.2    Zhu, P.F.3    Ma, P.J.4
  • 10
    • 33645801018 scopus 로고    scopus 로고
    • Fuzzy probabilistic approximation spaces and their information measures
    • Q.H. Hu, D.R. Yu, Z.X. Xie, and J.F. Liu Fuzzy probabilistic approximation spaces and their information measures IEEE Trans. Fuzzy Syst. 14 2 2006 191 201
    • (2006) IEEE Trans. Fuzzy Syst. , vol.14 , Issue.2 , pp. 191-201
    • Hu, Q.H.1    Yu, D.R.2    Xie, Z.X.3    Liu, J.F.4
  • 11
    • 77956394680 scopus 로고    scopus 로고
    • Soft fuzzy rough sets for robust feature evaluation and selection
    • Q.H. Hu, S. An, and D.R. Yu Soft fuzzy rough sets for robust feature evaluation and selection Inform. Sci. 180 22 2010 4384 4400
    • (2010) Inform. Sci. , vol.180 , Issue.22 , pp. 4384-4400
    • Hu, Q.H.1    An, S.2    Yu, D.R.3
  • 12
    • 0032294902 scopus 로고    scopus 로고
    • Rough set approach to incomplete information systems
    • PII S0020025598100191
    • M. Kryszkiewicz Rough set approach to incomplete information systems Inform. Sci. 112 1-4 1998 39 49 (Pubitemid 128649627)
    • (1998) Information Sciences , vol.112 , Issue.1-4 , pp. 39-49
    • Kryszkiewicz, M.1
  • 13
    • 35748956126 scopus 로고    scopus 로고
    • Rough fuzzy approximations on two universes of discourse
    • T.J. Li, and W.X. Zhang Rough fuzzy approximations on two universes of discourse Inform. Sci. 178 3 2008 892 906
    • (2008) Inform. Sci. , vol.178 , Issue.3 , pp. 892-906
    • Li, T.J.1    Zhang, W.X.2
  • 14
    • 77958538921 scopus 로고    scopus 로고
    • Granular computing: Practices, theories, and future directions
    • T.Y. Lin Granular computing: practices, theories, and future directions Encyclopedia Complex. Syst. Sci. 2009 4339 4355
    • (2009) Encyclopedia Complex. Syst. Sci. , pp. 4339-4355
    • Lin, T.Y.1
  • 15
    • 0000313665 scopus 로고    scopus 로고
    • Granular computing on binary relations I: Data mining and neighborhood systems
    • A. Skowron, L. Polkowski, Physica-Verlag
    • T.Y. Lin Granular computing on binary relations I: data mining and neighborhood systems A. Skowron, L. Polkowski, Rough Sets and Knowledge Discovery 1998 Physica-Verlag 107 121
    • (1998) Rough Sets and Knowledge Discovery , pp. 107-121
    • Lin, T.Y.1
  • 16
    • 0000053990 scopus 로고    scopus 로고
    • Granular computing on binary relations II: Rough set representations and belief functions
    • A. Skowron, L. Polkowski, Physica-Verlag
    • T.Y. Lin Granular computing on binary relations II: rough set representations and belief functions A. Skowron, L. Polkowski, Rough Sets and Knowledge Discovery 1998 Physica-Verlag 122 140
    • (1998) Rough Sets and Knowledge Discovery , pp. 122-140
    • Lin, T.Y.1
  • 19
    • 0001225112 scopus 로고    scopus 로고
    • Neighborhood systems - A qualitative theory for fuzzy and rough sets
    • Paul Wang, Duke University North Carolina
    • T.Y. Lin Neighborhood systems - a qualitative theory for fuzzy and rough sets Paul Wang, Advances in Machine Intelligence and Soft Computing vol. IV 1997 Duke University North Carolina 132 155
    • (1997) Advances in Machine Intelligence and Soft Computing , vol.4 , pp. 132-155
    • Lin, T.Y.1
  • 20
    • 0003344221 scopus 로고
    • Neighborhood systems and relational databases
    • T.Y. Lin, Neighborhood systems and relational databases, in: ACM Conference on Computer Science, 1988, pp. 725.
    • (1988) ACM Conference on Computer Science , pp. 725
    • Lin, T.Y.1
  • 22
    • 77958588935 scopus 로고    scopus 로고
    • Granular computing on partitions, covering and neighborhood system
    • T.Y. Lin Granular computing on partitions, covering and neighborhood system J. Nanchang Inst. Technol. 25 2 2006 1 7
    • (2006) J. Nanchang Inst. Technol. , vol.25 , Issue.2 , pp. 1-7
    • Lin, T.Y.1
  • 23
    • 78651534289 scopus 로고    scopus 로고
    • Some remarks on the concept of approximations from the view of knowledge engineering
    • T.Y. Lin, R. Barot, and S. Tsumoto Some remarks on the concept of approximations from the view of knowledge engineering Int. J. Cogni. Inform. Natural Intell. 4 2 2010 1 11
    • (2010) Int. J. Cogni. Inform. Natural Intell. , vol.4 , Issue.2 , pp. 1-11
    • Lin, T.Y.1    Barot, R.2    Tsumoto, S.3
  • 24
    • 60849093738 scopus 로고    scopus 로고
    • A comparison of two types of rough sets induced by coverings
    • G.L. Liu, and Y. Sai A comparison of two types of rough sets induced by coverings Int. J. Approx. Reason. 50 3 2009 521 528
    • (2009) Int. J. Approx. Reason. , vol.50 , Issue.3 , pp. 521-528
    • Liu, G.L.1    Sai, Y.2
  • 25
    • 49849093407 scopus 로고    scopus 로고
    • The algebraic structures of generalized rough set theory
    • G.L. Liu, and W. Zhu The algebraic structures of generalized rough set theory Inform. Sci. 178 21 2008 4105 4113
    • (2008) Inform. Sci. , vol.178 , Issue.21 , pp. 4105-4113
    • Liu, G.L.1    Zhu, W.2
  • 28
    • 33749680310 scopus 로고    scopus 로고
    • Rudiments of rough sets
    • DOI 10.1016/j.ins.2006.06.003, PII S0020025506001484
    • Z. Pawlak, and A. Skowron Rudiments of rough sets Inform. Sci. 177 1 2007 3 27 (Pubitemid 44556698)
    • (2007) Information Sciences , vol.177 , Issue.1 , pp. 3-27
    • Pawlak, Z.1    Skowron, A.2
  • 29
    • 33749667344 scopus 로고    scopus 로고
    • Rough sets: Some extensions
    • DOI 10.1016/j.ins.2006.06.006, PII S0020025506001496
    • Z. Pawlak, and A. Skowron Rough sets: some extensions Inform. Sci. 177 1 2007 28 40 (Pubitemid 44556699)
    • (2007) Information Sciences , vol.177 , Issue.1 , pp. 28-40
    • Pawlak, Z.1    Skowron, A.2
  • 30
    • 33749668975 scopus 로고    scopus 로고
    • Rough sets and Boolean reasoning
    • DOI 10.1016/j.ins.2006.06.007, PII S0020025506001502
    • Z. Pawlak, and A. Skowron Rough sets and Boolean reasoning Inform. Sci. 177 1 2007 41 73 (Pubitemid 44556700)
    • (2007) Information Sciences , vol.177 , Issue.1 , pp. 41-73
    • Pawlak, Z.1    Skowron, A.2
  • 31
    • 0000594169 scopus 로고
    • Approximation operations in approximation space
    • J.A. Pomykala Approximation operations in approximation space Bull. Pol. Acad. Sci. 35 9-10 1987 653 662
    • (1987) Bull. Pol. Acad. Sci. , vol.35 , Issue.910 , pp. 653-662
    • Pomykala, J.A.1
  • 32
    • 40649117648 scopus 로고    scopus 로고
    • Converse approximation and rule extraction from decision tables in rough set theory
    • Y.H. Qian, J.Y. Liang, and C.Y. Dang Converse approximation and rule extraction from decision tables in rough set theory Comput. Math. Appl. 55 8 2008 1754 1765
    • (2008) Comput. Math. Appl. , vol.55 , Issue.8 , pp. 1754-1765
    • Qian, Y.H.1    Liang, J.Y.2    Dang, C.Y.3
  • 33
    • 34948842036 scopus 로고    scopus 로고
    • Measures for evaluating the decision performance of a decision table in rough set theory
    • Y.H. Qian, J.Y. Liang, D.Y. Li, H.Y. Zhang, and C.Y. Dang Measures for evaluating the decision performance of a decision table in rough set theory Inform. Sci. 178 1 2008 181 202
    • (2008) Inform. Sci. , vol.178 , Issue.1 , pp. 181-202
    • Qian, Y.H.1    Liang, J.Y.2    Li, D.Y.3    Zhang, H.Y.4    Dang, C.Y.5
  • 35
    • 77951118185 scopus 로고    scopus 로고
    • Positive approximation: An accelerator for attribute reduction in rough set theory
    • Y.H. Qian, J.Y. Liang, W. Pedrycz, and C.Y. Dang Positive approximation: an accelerator for attribute reduction in rough set theory Artif. Intell. 174 9-10 2010 597 618
    • (2010) Artif. Intell. , vol.174 , Issue.910 , pp. 597-618
    • Qian, Y.H.1    Liang, J.Y.2    Pedrycz, W.3    Dang, C.Y.4
  • 37
    • 76649122207 scopus 로고    scopus 로고
    • Covering based approaches to rough sets and implication lattices
    • P. Samanta, M.K. Chakraborty, Covering based approaches to rough sets and implication lattices, in: RSFDGrC 2009, 2009, pp. 127-134.
    • (2009) RSFDGrC 2009 , pp. 127-134
    • Samanta, P.1    Chakraborty, M.K.2
  • 38
    • 77958509452 scopus 로고    scopus 로고
    • The further investigation of covering-based rough sets: Uncertainty characterization, similarity measure and generalized models
    • Z.H. Shi, and Z.T. Gong The further investigation of covering-based rough sets: uncertainty characterization, similarity measure and generalized models Inform. Sci. 180 19 2010 3745 3763
    • (2010) Inform. Sci. , vol.180 , Issue.19 , pp. 3745-3763
    • Shi, Z.H.1    Gong, Z.T.2
  • 39
    • 0030217715 scopus 로고    scopus 로고
    • Tolerance approximation spaces
    • A. Skowron, and J. Stepaniuk Tolerance approximation spaces Fundam. Inform. 27 1996 245 253 (Pubitemid 126715034)
    • (1996) Fundamenta Informaticae , vol.27 , Issue.2-3 , pp. 245-253
    • Skowron, A.1    Stepaniuk, J.2
  • 40
    • 80055039558 scopus 로고    scopus 로고
    • Modeling rough granular computing based on approximation spaces
    • A. Skowron, J. Stepaniuk, and R. Swiniarski Modeling rough granular computing based on approximation spaces Inform. Sci. 184 1 2012 20 43
    • (2012) Inform. Sci. , vol.184 , Issue.1 , pp. 20-43
    • Skowron, A.1    Stepaniuk, J.2    Swiniarski, R.3
  • 41
    • 42649112727 scopus 로고    scopus 로고
    • Fuzzy rough set theory for the interval-valued fuzzy information systems
    • B.Z. Sun, Z.T. Gong, and D.G. Chen Fuzzy rough set theory for the interval-valued fuzzy information systems Inform. Sci. 178 13 2008 2794 2815
    • (2008) Inform. Sci. , vol.178 , Issue.13 , pp. 2794-2815
    • Sun, B.Z.1    Gong, Z.T.2    Chen, D.G.3
  • 43
    • 84857790777 scopus 로고    scopus 로고
    • A comparative study of rough sets for hybrid data
    • W. Wei, J.Y. Liang, and Y.H. Qian A comparative study of rough sets for hybrid data Inform. Sci. 190 2012 1 12
    • (2012) Inform. Sci. , vol.190 , pp. 1-12
    • Wei, W.1    Liang, J.Y.2    Qian, Y.H.3
  • 44
    • 80054058362 scopus 로고    scopus 로고
    • Theory and applications of granular labelled partitions in multi-scale decision tables
    • W.Z. Wu, and Y. Leung Theory and applications of granular labelled partitions in multi-scale decision tables Inform. Sci. 181 18 2011 3878 3897
    • (2011) Inform. Sci. , vol.181 , Issue.18 , pp. 3878-3897
    • Wu, W.Z.1    Leung, Y.2
  • 45
    • 76049091872 scopus 로고    scopus 로고
    • Reduction about approximation spaces of covering generalized rough sets
    • T. Yang, and Q.G. Li Reduction about approximation spaces of covering generalized rough sets Int. J. Approx. Reason. 51 3 2010 335 345
    • (2010) Int. J. Approx. Reason. , vol.51 , Issue.3 , pp. 335-345
    • Yang, T.1    Li, Q.G.2
  • 46
    • 36549059218 scopus 로고    scopus 로고
    • Dominance-based rough set approach and knowledge reductions in incomplete ordered information system
    • DOI 10.1016/j.ins.2007.09.019, PII S0020025507004562
    • X.B. Yang, J.Y. Yang, C. Wu, and D.J. Yu Dominance-based rough set approach and knowledge reductions in incomplete ordered information system Inform. Sci. 178 4 2008 1219 1234 (Pubitemid 350180895)
    • (2008) Information Sciences , vol.178 , Issue.4 , pp. 1219-1234
    • Yang, X.1    Yang, J.2    Wu, C.3    Yu, D.4
  • 47
    • 79957471167 scopus 로고    scopus 로고
    • Neighborhood systems-based rough sets in incomplete information system
    • X.B. Yang, M. Zhang, H.L. Dou, and J.Y. Yang Neighborhood systems-based rough sets in incomplete information system Knowl. Based Syst. 24 6 2011 858 867
    • (2011) Knowl. Based Syst. , vol.24 , Issue.6 , pp. 858-867
    • Yang, X.B.1    Zhang, M.2    Dou, H.L.3    Yang, J.Y.4
  • 48
    • 79958038931 scopus 로고    scopus 로고
    • Dominance-based fuzzy rough approach to an interval-valued decision system
    • X.B. Yang, and M. Zhang Dominance-based fuzzy rough approach to an interval-valued decision system Front. Comput. Sci. China 5 2 2011 195 204
    • (2011) Front. Comput. Sci. China , vol.5 , Issue.2 , pp. 195-204
    • Yang, X.B.1    Zhang, M.2
  • 49
    • 67349270564 scopus 로고    scopus 로고
    • Combination of interval-valued fuzzy set and soft set
    • X.B. Yang, T.Y. Lin, J.Y. Yang, Y. Li, and D.J. Yu Combination of interval-valued fuzzy set and soft set Comput. Math. Appl. 58 3 2009 521 527
    • (2009) Comput. Math. Appl. , vol.58 , Issue.3 , pp. 521-527
    • Yang, X.B.1    Lin, T.Y.2    Yang, J.Y.3    Li, Y.4    Yu, D.J.5
  • 50
    • 71749105463 scopus 로고    scopus 로고
    • Dominance-based rough set approach to incomplete interval-valued information system
    • X.B. Yang, D.J. Yu, J.Y. Yang, and L.H. Wei Dominance-based rough set approach to incomplete interval-valued information system Data Knowl. Eng. 68 11 2009 1331 1347
    • (2009) Data Knowl. Eng. , vol.68 , Issue.11 , pp. 1331-1347
    • Yang, X.B.1    Yu, D.J.2    Yang, J.Y.3    Wei, L.H.4
  • 51
    • 70350031311 scopus 로고    scopus 로고
    • Difference relation-based rough set and negative rules in incomplete information system
    • X.B. Yang, D.J. Yu, J.Y. Yang, and X.N. Song Difference relation-based rough set and negative rules in incomplete information system Int. J. Uncertain. Fuzz. 17 5 2009 649 665
    • (2009) Int. J. Uncertain. Fuzz. , vol.17 , Issue.5 , pp. 649-665
    • Yang, X.B.1    Yu, D.J.2    Yang, J.Y.3    Song, X.N.4
  • 52
    • 56649083650 scopus 로고    scopus 로고
    • Credible rules in incomplete decision system based on descriptors
    • X.B. Yang, J. Xie, X.N. Song, and J.Y. Yang Credible rules in incomplete decision system based on descriptors Knowl. Based Syst. 22 1 2009 8 17
    • (2009) Knowl. Based Syst. , vol.22 , Issue.1 , pp. 8-17
    • Yang, X.B.1    Xie, J.2    Song, X.N.3    Yang, J.Y.4
  • 53
    • 33748157879 scopus 로고    scopus 로고
    • Neighborhood systems and approximate retrieval
    • DOI 10.1016/j.ins.2006.02.002, PII S0020025506000405
    • Y.Y. Yao Neighborhood systems and approximate retrieval Inform. Sci. 176 23 2006 3431 3452 (Pubitemid 44310653)
    • (2006) Information Sciences , vol.176 , Issue.23 , pp. 3431-3452
    • Yao, Y.Y.1
  • 54
    • 0002263693 scopus 로고
    • Fuzzy set and information granularity
    • North-Holland Publishing Amsterdam
    • L.A. Zadeh Fuzzy set and information granularity Advances in Fuzzy Set Theory and Application 1979 North-Holland Publishing Amsterdam 3 18
    • (1979) Advances in Fuzzy Set Theory and Application , pp. 3-18
    • Zadeh, L.A.1
  • 55
    • 0005755397 scopus 로고
    • Approximations in the space
    • W. Zakowski Approximations in the space Demonst. Math. 16 1983 761 769
    • (1983) Demonst. Math. , vol.16 , pp. 761-769
    • Zakowski, W.1
  • 56
    • 0027543613 scopus 로고
    • Variable precision rough set model
    • DOI 10.1016/0022-0000(93)90048-2
    • W. Ziarko Variable precision rough sets model J. Comput. Syst. Sci. 46 1 1993 39 59 (Pubitemid 23639120)
    • (1993) Journal of Computer and System Sciences , vol.46 , Issue.1 , pp. 39-59
    • Ziarko Wojciech1
  • 57
    • 79957513827 scopus 로고    scopus 로고
    • Construction of concept granule based on rough set and representation of knowledge-based complex system
    • J. Zhao, and L. Liu Construction of concept granule based on rough set and representation of knowledge-based complex system Knowl. Based Syst. 24 6 2011 809 815
    • (2011) Knowl. Based Syst. , vol.24 , Issue.6 , pp. 809-815
    • Zhao, J.1    Liu, L.2
  • 58
    • 79955469319 scopus 로고    scopus 로고
    • On minimization of axiom sets characterizing covering-based approximation operators
    • Y.L. Zhang, and M.K. Luo On minimization of axiom sets characterizing covering-based approximation operators Inform. Sci. 181 14 2011 3032 3042
    • (2011) Inform. Sci. , vol.181 , Issue.14 , pp. 3032-3042
    • Zhang, Y.L.1    Luo, M.K.2
  • 59
    • 70350578667 scopus 로고    scopus 로고
    • On axiomatic characterizations of three pairs of covering based approximation operators
    • Y.L. Zhang, J.J. Li, and W.Z. Wu On axiomatic characterizations of three pairs of covering based approximation operators Inform. Sci. 180 2 2010 274 287
    • (2010) Inform. Sci. , vol.180 , Issue.2 , pp. 274-287
    • Zhang, Y.L.1    Li, J.J.2    Wu, W.Z.3
  • 60
    • 79551686829 scopus 로고    scopus 로고
    • Covering rough sets based on neighborhoods: An approach without using neighborhoods
    • P. Zhu Covering rough sets based on neighborhoods: an approach without using neighborhoods Int. J. Approx. Reason. 52 3 2011 461 472
    • (2011) Int. J. Approx. Reason. , vol.52 , Issue.3 , pp. 461-472
    • Zhu, P.1
  • 61
    • 34347230179 scopus 로고    scopus 로고
    • A new type of covering rough sets
    • London, 4-6 September
    • W. Zhu, F.Y. Wang, A new type of covering rough sets, in: IEEE IS 2006, London, 4-6 September, 2006, pp. 444-449.
    • (2006) IEEE IS 2006 , pp. 444-449
    • Zhu, W.1    Wang, F.Y.2
  • 62
    • 33845963394 scopus 로고    scopus 로고
    • Topological approaches to covering rough sets
    • DOI 10.1016/j.ins.2006.06.009, PII S0020025506001642
    • W. Zhu Topological approaches to covering rough sets Inform. Sci. 177 6 2007 1499 1508 (Pubitemid 46037660)
    • (2007) Information Sciences , vol.177 , Issue.6 , pp. 1499-1508
    • Zhu, W.1
  • 63
    • 55949128171 scopus 로고    scopus 로고
    • Relationship between generalized rough sets based on binary relation and covering
    • W. Zhu Relationship between generalized rough sets based on binary relation and covering Inform. Sci. 179 3 2009 210 225
    • (2009) Inform. Sci. , vol.179 , Issue.3 , pp. 210-225
    • Zhu, W.1
  • 64
    • 67349152755 scopus 로고    scopus 로고
    • Relationship among basic concepts in covering-based rough sets
    • W. Zhu Relationship among basic concepts in covering-based rough sets Inform. Sci. 179 14 2009 2478 2486
    • (2009) Inform. Sci. , vol.179 , Issue.14 , pp. 2478-2486
    • Zhu, W.1
  • 65
    • 34548228836 scopus 로고    scopus 로고
    • Generalized rough sets based on relations
    • DOI 10.1016/j.ins.2007.05.037, PII S0020025507002733
    • W. Zhu Generalized rough sets based on relations Inform. Sci. 177 22 2007 4997 5011 (Pubitemid 47331457)
    • (2007) Information Sciences , vol.177 , Issue.22 , pp. 4997-5011
    • Zhu, W.1
  • 66
    • 34347243171 scopus 로고    scopus 로고
    • On three types of covering rough sets
    • W. Zhu, and F.Y. Wang On three types of covering rough sets IEEE Trans. Knowl. Data Eng. 19 8 2007 1131 1144
    • (2007) IEEE Trans. Knowl. Data Eng. , vol.19 , Issue.8 , pp. 1131-1144
    • Zhu, W.1    Wang, F.Y.2
  • 67
    • 78549269500 scopus 로고    scopus 로고
    • Properties of the first type of covering-based rough sets
    • Hong Kong, China, December 18
    • W. Zhu, F.Y. Wang, Properties of the first type of covering-based rough sets, in: Proceedings of DM Workshop 06, ICDM 06, Hong Kong, China, December 18, 2006, pp. 407-411.
    • (2006) Proceedings of DM Workshop 06, ICDM 06 , pp. 407-411
    • Zhu, W.1    Wang, F.Y.2
  • 68
    • 34250755982 scopus 로고    scopus 로고
    • Properties of the second type of covering-based rough sets
    • Hong Kong, China, December 18
    • W. Zhu, Properties of the second type of covering-based rough sets, in: Workshop Proceedings of GrC& BI 06, IEEE WI 06, Hong Kong, China, December 18, 2006, pp. 494-497.
    • (2006) Workshop Proceedings of GrC& BI 06, IEEE WI 06 , pp. 494-497
    • Zhu, W.1
  • 69
    • 40149112690 scopus 로고    scopus 로고
    • Properties of the fourth type of covering-based rough sets
    • Auckland, New Zealand, December 13-15
    • W. Zhu, Properties of the fourth type of covering-based rough sets, in: HIS'06, AUT Technology Park, Auckland, New Zealand, December 13-15, 2006, pp. 43.
    • (2006) HIS'06, AUT Technology Park , pp. 43
    • Zhu, W.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.