Albert Levi Erkay Savas Hüsnü Yenigün Selim Balcisoy Yücel Saygin Computer and Information Sciences - ISCIS 2006, 21th International Symposium, Istanbul, Turkey, November 1-3, 2006, Proceedings ISCIS Lecture Notes in Computer Science 4263 Springer 2006 3-540-47242-8 db/conf/iscis/iscis2006.html