Gang Xiang, Vladik Kreinovich. Estimating Variance Under Interval and Fuzzy Uncertainty: Case of Hierarchical Estimation. In Patricia Melin, Oscar Castillo, Luis T. Aguilar, Janusz Kacprzyk, Witold Pedrycz, editors, Foundations of Fuzzy Logic and Soft Computing, 12th International Fuzzy Systems Association World Congress, IFSA 2007, Cancun, Mexico, June 18-21, 2007, Proceedings. Volume 4529 of Lecture Notes in Computer Science, pages 3-12, Springer, 2007. [doi]
Abstract is missing.