@inproceedings{CIKM-2011-WangWLZZ,
	author        = "Xiaolong Wang and Furu Wei and Xiaohua Liu and Ming Zhou and Ming Zhang",
	booktitle     = "{Proceedings of the 20th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/2063576.2063726",
	isbn          = "978-1-4503-0717-8",
	pages         = "1031--1040",
	publisher     = "{ACM}",
	title         = "{Topic sentiment analysis in twitter: a graph-based hashtag sentiment classification approach}",
	year          = 2011,
}