Jae Won Lee Jonghun Park Jangmin O Jongwoo Lee Euyseok Hong A Multiagent Approach to Q-Learning for Daily Stock Trading. 864-877 2007 37 IEEE Transactions on Systems, Man, and Cybernetics, Part A 6 http://doi.ieeecomputersociety.org/10.1109/TSMCA.2007.904825 db/journals/tsmc/tsmca37.html#LeePOLH07