@inproceedings{CIKM-2009-LiuWC,
	author        = "Xiping Liu and Changxuan Wan and Lei Chen",
	booktitle     = "{Proceedings of the 18th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1645953.1645974",
	isbn          = "978-1-60558-512-3",
	pages         = "147--156",
	publisher     = "{ACM}",
	title         = "{Effective XML content and structure retrieval with relevance ranking}",
	year          = 2009,
}