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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ping Wei Hong-Ru Li |
| Copyright Year | 2007 |
| Description | Author affiliation: Yan'tai Univ., Yantai (Ping Wei; Hong-Ru Li) |
| Abstract | The purpose of this paper is to present a new approach determining the rough approximations of fuzzy concepts in fuzzy decision systems. Based on the hierarchical characteristic of fuzzy sets, a lambda- weak fuzzy approximation space and a $CN_{lambda}$ -fuzzy rough set, determined by an inclusion function and a near function, are introduced. Some properties of the near function and $CN_{lambda}-fuzzy$ rough sets are investigated. Therefore, the lower and upper approximations of a fuzzy decision concept can be derived from the description of inclusion nearness with respect to the fuzzy decision concept. |
| Starting Page | 374 |
| Ending Page | 377 |
| File Size | 148820 |
| Page Count | 4 |
| File Format | |
| ISBN | 0769530079 |
| DOI | 10.1109/SKG.2007.74 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2007-10-29 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Fuzzy sets Uncertainty Rough sets Chromium Set theory Mathematics Fuzzy set theory Boolean algebra Fuzzy systems |
| Content Type | Text |
| Resource Type | Article |
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