@conference {Sokolova08CAI,
	title = {Verbs Speak Loud: Verb Categories in Learning Polarity and Strength of Opinions},
	booktitle = {Proceedings of the 20th Canadian Conference on Artificial Intelligence (AI 2008),},
	series = {Lecture Notes in Artificial Intelligence},
	volume = {5032},
	year = {2008},
	month = {may},
	pages = {320{\textendash}331},
	address = {Windsor},
	pdf = {http://rali.iro.umontreal.ca/rali/sites/default/files/publis/VerbCategories2.pdf},
	author = {Marina Sokolova and Guy Lapalme}
}
