@inproceedings{CIKM-2009-BaiZXZSTZC,
	author        = "Jing Bai and Ke Zhou and Gui-Rong Xue and Hongyuan Zha and Gordon Sun and Belle L. Tseng and Zhaohui Zheng and Yi Chang",
	booktitle     = "{Proceedings of the 18th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1645953.1646169",
	isbn          = "978-1-60558-512-3",
	pages         = "1549--1552",
	publisher     = "{ACM}",
	title         = "{Multi-task learning for learning to rank in web search}",
	year          = 2009,
}