Yao Zhang, Junhai Zhai, Sufang Zhang. Tolerance Rough Fuzzy Approximation Operators and Their Properties. In Xizhao Wang, Witold Pedrycz, Patrick Chan, Qiang He, editors, Machine Learning and Cybernetics - 13th International Conference, Lanzhou, China, July 13-16, 2014. Proceedings. Volume 481 of Communications in Computer and Information Science, pages 379-387, Springer, 2014. [doi]
Abstract is missing.