1Hiroki Kitano, Minoru Asada, Yasuo Ku- niyoshi, ItsukiNoda,EiichiOsawa,.Hitoshi Mat- subara RoboCup: A Challenge Problem for AI and Robotics [J], RoboCup-97: Robot Soccer World Cup i, 1-19, Springer, 1998.
2Peter Stone, Layered Learning in Multi-a- gent System [D]. PHD dissertation, school of computer science, CMU, 1998.