Xia Wang, Li Guan. An Upper Bound Estimation About the Sample Average of Interval-Valued Random Sets. In Maria Brigida Ferraro, Paolo Giordani, Barbara Vantaggi, Marek Gagolewski, María Ángeles Gil, Przemyslaw Grzegorzewski, Olgierd Hryniewicz, editors, Soft Methods for Data Science, SMPS 2016, Rome, Italy, 12-14 September, 2016. Volume 456 of Advances in Intelligent Systems and Computing, pages 519-524, Springer, 2016. [doi]