Qinrong Feng. Hierarchical Information System and Its Properties. In Jian Yu, Salvatore Greco, Pawan Lingras, Guoyin Wang, Andrzej Skowron, editors, Rough Set and Knowledge Technology - 5th International Conference, RSKT 2010, Beijing, China, October 15-17, 2010. Proceedings. Volume 6401 of Lecture Notes in Computer Science, pages 528-536, Springer, 2010. [doi]
Abstract is missing.