On three types of covering-based rough sets
Web15 de out. de 2012 · Based on the definitions of the three types of covering rough sets in , , , we define a new type of covering rough set model as follows . In this type of … Web28 de ago. de 2008 · Abstract: Rough sets, a tool for data mining, deal with the vagueness and granularity in information systems. For further studies on privacy protection, we …
On three types of covering-based rough sets
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Web1 de set. de 2007 · In this paper, based on fuzzy neighborhoods, we propose two types of covering-based variable precision fuzzy rough sets (CVPFRSs) via fuzzy logical … Web29 de dez. de 2012 · Zhu W, Wang FY (2006) A new type of covering rough sets. In IEEE IS, pp 444–449, 4–6 Sept 2006. Zhu W, Wang FY (2006) Relationships among three …
Web18 de jan. de 2024 · Request PDF On three types of soft fuzzy coverings based rough sets Recently, the concept of soft fuzzy rough covering was defined and their properties were studied by Zhan et al.. (Zhan and ... Web30 de out. de 2024 · In this paper, three new types of fuzzy covering-based rough set models are proposed. First, the membership-degree-based fuzzy covering rough set is defined in the fuzzy covering approximation space by separately comparing the membership degree of each object belonging to the approximated fuzzy set with those of …
Web25 de jun. de 2007 · Rough set theory is a useful tool for data mining. It is based on equivalence relations and has been extended to covering-based generalized rough set. This paper studies three kinds of covering generalized rough sets for dealing with the … Web19 de jan. de 2024 · Recently, the concept of a soft rough fuzzy covering (briefly, SRFC) by means of soft neighborhoods was defined and their properties were studied by Zhan’s …
WebAbstract. In this paper, six types of optimistic multi-covering rough set models and six types of pessimistic multi-covering rough set models are proposed in multi-covering approximation space. From three different points of views, relationships among multi-covering rough set models are deeply investigated.
Web1 de out. de 2012 · We propose a framework for the study of covering based rough set approximations. Three equivalent formulations of the classical rough sets are examined … irc universityWebCovering-based multigranulation fuzzy rough sets are a natural extension of the multigranulation rough sets by replacing crisp sets with fuzzy sets. Recently, the … irc united statesWeb15 de jan. de 2024 · Hybrid soft set model is an important topic for dealing with uncertainty. By means of soft neighborhoods, soft complementary neighborhoods and soft adhesions, we build five new different types of soft coverings based rough sets and study related properties. The relationships between soft rough sets and soft covering based rough … irc urban snowWeb1 de set. de 2024 · In this paper, three types of (philosophical, optimistic and pessimistic) multigranulation single valued neutrosophic (SVN) covering-based rough set models are presented, and these three models ... irc unreimbursed employee expensesWeb15 de out. de 2012 · Three types of covering-based rough set models already exist [3], [4], [34], [60]. Zakowski extended Pawlak’s rough set theory by using a covering of the … order cheryl cookiesWebadshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A order chesapeake bay oystersWeb1 de abr. de 2024 · Furthermore, three new types of fuzzy covering-based rough set models as generalizations of Ma's models are first proposed in this paper. ... F. Wang, On three types of covering rough sets, IEEE Trans. Knowl. Data Eng., 19 (2007) 1131-1144. Google Scholar Digital Library; irc urban snow 120/70-12