Joakim Gustafson Johan Boye Morgan Fredriksson Lasse Johannesson Jürgen Königsmann Providing Computer Game Characters with Conversational Abilities. 37-51 2005 conf/iva/2005 IVA http://dx.doi.org/10.1007/11550617_4 db/conf/iva/iva2005.html#GustafsonBFJK05