Huayu Wu, Tok Wang Ling, Liang Xu, Zhifeng Bao. Performing grouping and aggregate functions in XML queries. In Juan Quemada, Gonzalo León, Yoëlle S. Maarek, Wolfgang Nejdl, editors, Proceedings of the 18th International Conference on World Wide Web, WWW 2009, Madrid, Spain, April 20-24, 2009. pages 1001-1010, ACM, 2009. [doi]
Abstract is missing.