@inproceedings{SIGIR-2009-ChangDLZ,
	author        = "Yi Chang and Anlei Dong and Ciya Liao and Zhaohui Zheng",
	booktitle     = "{Proceedings of the 32nd International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/1571941.1572068",
	isbn          = "978-1-60558-483-6",
	pages         = "666--667",
	publisher     = "{ACM}",
	title         = "{Enhancing topical ranking with preferences from click-through data}",
	year          = 2009,
}