@inproceedings{CIKM-2011-SongQF,
	author        = "Yang Song and Baojun Qiu and Umer Farooq",
	booktitle     = "{Proceedings of the 20th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/2063576.2063769",
	isbn          = "978-1-4503-0717-8",
	pages         = "1331--1340",
	publisher     = "{ACM}",
	title         = "{Hierarchical tag visualization and application for tag recommendations}",
	year          = 2011,
}