@inproceedings{SIGIR-2014-ZhangLY,
	author        = "Sicong Zhang and Jiyun Luo and Hui Yang",
	booktitle     = "{Proceedings of the 37th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/2600428.2609529",
	isbn          = "978-1-4503-2257-7",
	pages         = "1139--1142",
	publisher     = "{ACM}",
	title         = "{A POMDP model for content-free document re-ranking}",
	year          = 2014,
}