Report of UMIE 2004 and Summary of U-Mart experiments based on the classification of submitted machine agents

U-Mart is interdisciplinary education / research project of a virtual futures market on computer for engineering and economics. We have held the international open experiments UMIE 200x which is the competition for machine agents. This paper reports the result of UMIE 2004 and classify the machine agents submitted in UMIE 2002, 2003 2004 in six clssification criterion.