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On three types of covering-based rough sets

Web20 de ago. de 2013 · However, it is noticeable that MGRS theory cannot be applied in multi-source information systems with a covering environment in the real world. To address this issue, we firstly present in this paper three types of covering based multigranulation rough sets, in which set approximations are defined by different covering … Web15 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 …

The fourth type of covering-based rough sets - ScienceDirect

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 … Web1 de abr. de 2024 · In Section 4, the characterizations of Ma's fuzzy covering-based rough set models are investigated. In Section 5, three new types of fuzzy covering-based rough set models are defined. Section 6 concludes this paper. 2. Preliminaries. In this section, we review some notions in covering-based rough set theory and fuzzy set theory. … rcs red carpet studios https://cgreentree.com

Multigranulation single valued neutrosophic covering-based rough sets ...

Web31 de mar. de 2024 · TL;DR: Three new types of fuzzy covering-based rough set models are proposed by introducing a new notion of a fuzzy complementary -neighborhood by introducing some new definitions of fuzzy -covering approximation spaces. Abstract: Fuzzy coverings are a natural extension of the coverings by replacing crisp sets with fuzzy … 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 ... WebAbstract. 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 … how to speak like a new yorker

The sixth type of covering-based rough sets - IEEE Conference …

Category:On matrix representation of three types of covering-based rough sets ...

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On three types of covering-based rough sets

Closed-set lattice and modular matroid induced by covering-based rough ...

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. 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 …

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 …

Web1 de ago. 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 … WebCovering-based multigranulation fuzzy rough sets are a natural extension of the multigranulation rough sets by replacing crisp sets with fuzzy sets. Recently, the …

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 … WebRough set theory is a useful tool for dealing with inexact, uncertain or vague knowledge of information systems. The core concepts of classical rough sets are lower and upper approximation operators based on equivalence relations. However, it is inefficient to compute the lower and upper approximations using set operations. Matrix is widely used …

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 …

WebCovering-based rough sets are natural extensions of the classical rough sets by relaxing the partitions to coverings and have been applied for many ... Zhu, W., Wang, F.: On three types of covering rough sets. IEEE Transactions on Knowledge and Data Engineering 19, 1131–1144 (2007) CrossRef Google Scholar ... how to speak like a sailorWeb19 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 … rcs romsey community schoolWeb1 de abr. de 2024 · In Section 4, the characterizations of Ma's fuzzy covering-based rough set models are investigated. In Section 5, three new types of fuzzy covering-based … how to speak like a knightWeb1 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; rcs reifenWeb30 de abr. de 2024 · The authors study the covering rough sets by topological methods. They combine the covering rough sets and topological spaces by means of defining some new types of spaces called covering rough topological (CRT) spaces based on neighbourhoods or complementary neighbourhoods. rcs recycledWeb29 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 types of covering rough sets, In IEEE GrC, pp 43–48, May 2006. Zhu W, Wang SP (2011) Matroidal approaches to generalized rough sets based on relations. Int J Mach Learn … how to speak like fischlWeb25 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 … rcs richter cooling