1 citations · 2 across the 7 of their papers we have counts for
7 papers
Operations on soft sets revisited
Ping Zhu, Qiaoyan Wen
Soft sets, as a mathematical tool for dealing with uncertainty, have recently gained considerable attention, including some successful applications in information processing, decis…
Information-theoretic measures associated with rough set approximations
Ping Zhu, Qiaoyan Wen
Although some information-theoretic measures of uncertainty or granularity have been proposed in rough set theory, these measures are only dependent on the underlying partition and…
A note on communicating between information systems based on including degrees
Ping Zhu, Qiaoyan Wen
In order to study the communication between information systems, Gong and Xiao [Z. Gong and Z. Xiao, Communicating between information systems based on including degrees, Internati…
Homomorphisms between fuzzy information systems revisited
Ping Zhu, Qiaoyan Wen
Recently, Wang et al. discussed the properties of fuzzy information systems under homomorphisms in the paper [C. Wang, D. Chen, L. Zhu, Homomorphisms between fuzzy information syst…
Some improved results on communication between information systems
Ping Zhu, Qiaoyan Wen
To study the communication between information systems, Wang et al. [C. Wang, C. Wu, D. Chen, Q. Hu, and C. Wu, Communicating between information systems, Information Sciences 178…
An axiomatic approach to the roughness measure of rough sets
Ping Zhu
In Pawlak's rough set theory, a set is approximated by a pair of lower and upper approximations. To measure numerically the roughness of an approximation, Pawlak introduced a quant…
Covering rough sets based on neighborhoods: An approach without using neighborhoods
Ping Zhu
Rough set theory, a mathematical tool to deal with inexact or uncertain knowledge in information systems, has originally described the indiscernibility of elements by equivalence r…