@inproceedings{CIKM-2012-Kawamae,
	author        = "Noriaki Kawamae",
	booktitle     = "{Proceedings of the 21st ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/2396761.2398573",
	isbn          = "978-1-4503-1156-4",
	pages         = "2065--2069",
	publisher     = "{ACM}",
	title         = "{Theme chronicle model: chronicle consists of timestamp and topical words over each theme}",
	year          = 2012,
}