Wenfei Fan, Peter Schwenzer, Kun Wu. Keys with Upward Wildcards for XML. In Heinrich C. Mayr, Jirí Lazanský, Gerald Quirchmayr, Pavel Vogel, editors, Database and Expert Systems Applications, 12th International Conference, DEXA 2001 Munich, Germany, September 3-5, 2001, Proceedings. Volume 2113 of Lecture Notes in Computer Science, pages 657-667, Springer, 2001. [doi]
Abstract is missing.