Publication

@inproceedings{abc,
	author = {Xin Cao and Gao Cong and Bin Cui and Christian S. Jensen and Ce Zhang},
	booktitle = {Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China},
	title = {The use of categorization information in language models for question retrieval.},
	url = {http://doi.acm.org/10.1145/1645953.1645989},
	year = {2009}
}