@inproceedings{papineni2001,
	title = {Why inverse document frequency?},
	address = {Morristown, NJ, USA},
	author = {Kishore Papineni},
	booktitle = {NAACL '01: Second meeting of the North American Chapter of the Association
	for Computational Linguistics on Language technologies 2001},
	pages = {1--8},
	publisher = {Association for Computational Linguistics},
	year = {2001},
	biburl = {http://www.bibsonomy.org/bibtex/205c04066b30add257b895016dfa18b5e/lm77},
	description = {Dissertation},
	doi = {http://dx.doi.org/10.3115/1073336.1073340}, location = {Pittsburgh, Pennsylvania},
	keywords = {imported }
}