Gang Xiao Finnegan Southey Robert C. Holte Dana F. Wilkinson Software Testing by Active Learning for Commercial Games. 898-903 2005 conf/aaai/2005 AAAI db/conf/aaai/aaai2005.html#XiaoSHW05 http://www.aaai.org/Library/AAAI/2005/aaai05-142.php