Knowledge-Based and Intelligent Information and Engineering Systems 15th International Conference, KES 2011, Kaiserslautern, Germany, September 12-14, 2011, Proceedings, Part I - König, Andreas; Dengel, Andreas; Hinkelmann, Knut; Kise, Koichi; Howlett, Robert J.; Jain, Lakhmi C. (Springer Berlin Heidelberg, 2011)