Artificial Intelligence Applications and Innovations [electronic resource] : 12th INNS EANN-SIG International Conference, EANN 2011 and 7th IFIP WG 12.5 International Conference, AIAI 2011, Corfu, Greece, September 15-18, 2011, Proceedings , Part II / edited by Lazaros Iliadis, Ilias Maglogiannis, Harris Papadopoulos.