Sandra Carberry Cristina Conati Fiorella de Rosis Piotr J. Gmytrasiewicz Eva Hudlicka Mitsuru Ishizuka Christine L. Lisetti Andrew Ortony Helmut Prendinger William Revelle Panel Discussion. 643-670 2002 16 Applied Artificial Intelligence 7-8 http://dx.doi.org/10.1080/08839510290030426 db/journals/aai/aai16.html#CarberryCRGHILOPR02