@conference {Sokolova_AI09_Opinion,
	title = {Opinion Learning without Emotional Words},
	booktitle = {Canadian AI{\textquoteright}2009 the 22nd Canadian Conference on Artificial Intelligence},
	series = {Lecture Notes in Computer Science Number 5549},
	year = {2009},
	month = {may},
	pages = {253-256},
	publisher = {Springer-Verlag},
	organization = {Springer-Verlag},
	address = {Kelowna, British Columbia},
	pdf = {http://rali.iro.umontreal.ca/rali/sites/default/files/publis/SokolovaLapalmeAI09Final.pdf},
	author = {Marina Sokolova and Guy Lapalme}
}
