Giuseppe De Giacomo Marie desJardins Dolores Cañamero Glenn S. Wasson Michael L. Littman Gerard Allwein Kim Marriott Bernd Meyer Barbara Webb Tom Con The AAAI Fall Symposia. 87-89 1999 20 AI Magazine 3 db/journals/aim/aim20.html#GiacomodCWLAMMWC99 http://www.aaai.org/ojs/index.php/aimagazine/article/view/1470