@proceedings { paiva07,
	address = {Lisbon, Portugal},
	keywords = {affective computing},
	month = {September},
	publisher = {Springer},
	title = {Affective Computing and Intelligent Interaction, Second International Conference, ACII 2007},
	volume = {Proceedings Series: Lecture Notes in Computer Science, Vol. 4738},
	year = {2007},
	author = {Ana Paiva and Rui Prada and Rosalind W. Picard}
}