New Frontiers in Applied Artificial Intelligence 21st International Conference on Industrial, Engineering and Other Applications of Applied Intelligent Systems, IEA/AIE 2008 Wrocław, Poland, June 18-20, 2008 Proceedings - Nguyen, Ngoc Thanh; Borzemski, Leszek; Grzech, Adam; Ali, Moonis (Springer Berlin Heidelberg, 2008)