Margaret McRorie Ian Sneddon Etienne de Sevin Elisabetta Bevacqua Catherine Pelachaud A Model of Personality and Emotional Traits. 27-33 2009 IVA http://dx.doi.org/10.1007/978-3-642-04380-2_6 conf/iva/2009 db/conf/iva/iva2009.html#McRorieSSBP09