@inproceedings{SIGIR-2007-RoussinovFS,
	author        = "Dmitri Roussinov and SzeWang Fong and David B. Skillicorn",
	booktitle     = "{Proceedings of the 30th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/1277741.1277958",
	isbn          = "978-1-59593-597-7",
	pages         = "885--886",
	publisher     = "{ACM}",
	title         = "{Detecting word substitutions: PMI vs. HMM}",
	year          = 2007,
}