Int. J. Artif. Intell. Tools 2011.20:887-909. Downloaded from www.worldscientific.com by MONASH UNIVERSITY on 08/26/15. For personal use only. 888 F. Jović, N. Slavek & D. Blažević complex retail business network, as well as for other conservative environments. The obtained qualitative correlations of model and reward function lie between 0.72 and 0.95, even for the simple cases presented.