After the huge success of the ?rst German Conference on Multiagent System Technologies (MATES) last year in Erfurt the German Special Interest Group on Distributed Arti?cial Intelligence together with the steering committee of MATES proudly organized and conducted this international conference for the second time. ThegoaloftheMATESconferenceistoconstituteahigh-qualityplatformfor thepresentationanddiscussionofnewresearchresultsandsystemdevelopments. It provides an interdisciplinary forum for researchers, users, and developers, to present and discuss the latest advances in research work, as...