Ruth Aylett Michael Kriegel Mei Yii Lim João Dias Karin Leichtenstern Wan Ching Ho Paola Rizzo ORIENT: interactive agents for stage-based role-play. 1371-1372 2009 AAMAS (2) http://doi.acm.org/10.1145/1558109.1558300 conf/atal/2009-2 db/conf/atal/aamas2009-2.html#AylettKLDLHR09