Results 61 to 70 of about 39,193 (212)

A Variable Precision Covering-Based Rough Set Model Based on Functions

open access: yesThe Scientific World Journal, 2014
Classical rough set theory is a technique of granular computing for handling the uncertainty, vagueness, and granularity in information systems. Covering-based rough sets are proposed to generalize this theory for dealing with covering data.
Yanqing Zhu, William Zhu
doaj   +1 more source

Soft Rough Approximation Operators and Related Results

open access: yesJournal of Applied Mathematics, 2013
Soft set theory is a newly emerging tool to deal with uncertain problems. Based on soft sets, soft rough approximation operators are introduced, and soft rough sets are defined by using soft rough approximation operators.
Zhaowen Li, Bin Qin, Zhangyong Cai
doaj   +1 more source

Semantics of Fuzzy Sets in Rough Set Theory [PDF]

open access: yes, 2004
The objective of this paper is to provide a semantic framework for fuzzy sets in the theory of rough sets. Rough membership functions are viewed as a special type of fuzzy membership functions interpretable using conditional probabilities. The relationships between fuzzy membership functions and rough membership functions, between core and support of ...
openaire   +1 more source

A scalable and effective rough set theory-based approach for big data pre-processing [PDF]

open access: hybrid, 2020
Zaineb Chelly Dagdia   +3 more
openalex   +1 more source

Complex Fuzzy Rough Set: An Application in Digital Marketing for Business Growth

open access: yesIEEE Access
Two-dimensional approach is very important in real-life scenarios. To address situations where two-dimensional information is involved, the theory of complex fuzzy set (CFS) is a reliable and applicable structure.
Jinxiu Yi   +4 more
doaj   +1 more source

Extraction of spatial-temporal rules from mesoscale eddies in the South China Sea based on rough set theory [PDF]

open access: gold, 2011
Yunyan Du   +6 more
openalex   +1 more source

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