@inproceedings{ECIR-2007-RoullandKCRGPO,
	author        = "Frédéric Roulland and Aaron N. Kaplan and Stefania Castellani and Claude Roux and Antonietta Grasso and Karin Pettersson and Jacki O'Neill",
	booktitle     = "{Proceedings of the 29th European Conference on Information Retrieval Research: Advances in Information Retrieval}",
	doi           = "10.1007/978-3-540-71496-5_21",
	isbn          = "978-3-540-71494-1",
	pages         = "210--221",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Query Reformulation and Refinement Using NLP-Based Sentence Clustering}",
	volume        = 4425,
	year          = 2007,
}