Christopher Peters Catherine Pelachaud Elisabetta Bevacqua Maurizio Mancini Isabella Poggi A Model of Attention and Interest Using Gaze Behavior. 229-240 2005 conf/iva/2005 IVA http://dx.doi.org/10.1007/11550617_20 db/conf/iva/iva2005.html#PetersPBMP05