This book constitutes the refereed proceedings of the 11th German Conference on Multiagent System Technologies, MATES 2013, held in Koblenz, Germany, in September 2013. The 29 revised full papers and 3 keynote talks presented were carefully reviewed and selected from various submissions. The papers cover a broad area of topics of interest ranging from issues of agent-based coordination to simulation to negotiation.

This book constitutes the refereed proceedings of the 40th Annual German Conference on Artificial Intelligence, KI 2017 held in Dortmund, Germany in September 2017. The 20 revised full technical papers presented together with 16 short technical communications were carefully reviewed and selected from 73 submissions. The conference cover a range of topics from, e. g., agents, robotics, cognitive sciences, machine learning, planning, knowledge representation, reasoning, and ontologies, with numerous applications in areas like social media, psychology, transportation systems and reflecting the richness and diversity of their field.

This book constitutes the refereed proceedings of the 35th Annual German Conference on Artificial Intelligence, KI 2013, held in Koblenz, Germany, in September 2013. The 24 revised full papers presented together with 8 short papers were carefully reviewed and selected from 70 submissions. The papers contain research results on theory and applications of all aspects of AI.