Chengkai Li, Min Wang, Lipyeow Lim, Haixun Wang, Kevin Chen-Chuan Chang. Supporting ranking and clustering as generalized order-by and group-by. In Chee Yong Chan, Beng Chin Ooi, Aoying Zhou, editors, Proceedings of the ACM SIGMOD International Conference on Management of Data, Beijing, China, June 12-14, 2007. pages 127-138, ACM, 2007. [doi]
Abstract is missing.