Moonis Ali Tibor Bosse Koen V. Hindriks Mark Hoogendoorn Catholijn M. Jonker Jan Treur (Eds.) Recent Trends in Applied Artiļ¬cial Intelligence 26th International Conference on Industrial, Engineering and Other Applications of Applied Intelligent Systems, IEA/AIE 2013 Amsterdam, The Netherlands, June 17-21, 2013 Proceedings 13