@inproceedings { sanghvi11,
	address = {Lausanne, Switzerland},
	booktitle = {HRI'2011- Human-Robot Interaction Conference},
	month = {March},
	publisher = {ACM Press},
	title = {Automatic Analysis of Affective Postures and Body  Motion to Detect Engagement with a Game Companion},
	year = {2011},
	author = {Jyotirmay Sanghvi and Ginevra Castellano and Iolanda Leite and André Pereira and Peter McOwan and Ana Paiva}
}