@inproceedings{collins02ranking,
	title = {New Ranking Algorithms for Parsing and Tagging: Kernels over Discrete Structures, and the Voted Perceptron},
	author = {Michael Collins and Nigel Duffy},
	booktitle = {Proceedings of the 40th Annual Meeting on Association for Computational Linguistics (ACL '02), July 7-12, 2002, Philadelphia, PA, USA},
	editor = {Pierre Isabelle},
	pages = {263--270},
	publisher = {Association for Computational Linguistics, Morristown, NJ, USA},
	url = {http://dx.doi.org/10.3115/1073083.1073128},
	year = {2001},
	biburl = {http://www.bibsonomy.org/bibtex/2f1b23f5672bc29d536fbc89e7be1a32d/sb3000},
	description = {New ranking algorithms for parsing and tagging},
	keywords = {tree-kernels }
}