@inproceedings{CIKM-2011-LiWJNSH,
	author        = "Peng Li and Bin Wang and Wei Jin and Jian-Yun Nie and Zhiwei Shi and Ben He",
	booktitle     = "{Proceedings of the 20th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/2063576.2063659",
	isbn          = "978-1-4503-0717-8",
	pages         = "557--562",
	publisher     = "{ACM}",
	title         = "{Exploring categorization property of social annotations for information retrieval}",
	year          = 2011,
}