@inproceedings{GomKuhSatWeiNAACL2009,
	author = {G\'{o}mez-Rodr\'{i}guez, Carlos  and  Kuhlmann, Marco  and  Satta, Giorgio  and  Weir, David},
	title = {Optimal Reduction of Rule Length in Linear Context-Free Rewriting Systems},
	year = {2009},
	booktitle = "Proceedings of NAACL HLT 2009: the Conference of the North American Chapter of the Association for Computational Linguistics",
	location = "Boulder, Colorado",
	month = {June},
	publisher = {Association for Computational Linguistics},
	pubaddress = {Morristown, NJ, USA},
	pages = {539--547},
	url = {http://www.aclweb.org/anthology/N/N09/N09-1061},
	isbn = {978-1-932432-41-1}
}