@inproceedings{CIKM-2011-TranCW,
	author        = "Quoc Trung Tran and Chee-Yong Chan and Guoping Wang",
	booktitle     = "{Proceedings of the 20th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/2063576.2063791",
	isbn          = "978-1-4503-0717-8",
	pages         = "1495--1504",
	publisher     = "{ACM}",
	title         = "{Evaluation of set-based queries with aggregation constraints}",
	year          = 2011,
}