@inproceedings { castellano09, booktitle = {3rd International Conference on Affective Computing and Intelligent Interaction Proceedings}, keywords = {Affective Computing;Social Robotic Companions;}, pages = {1-8}, title = {It's all in the game: Towards an affect sensitive and context aware game companion}, volume = {I}, year = {2009}, author = {Ginevra Castellano and Iolanda Leite and André Pereira and Carlos Martinho and Ana Paiva and Peter McOwan} }