B. Gutmann, M. Jaeger, and L. De~Raedt. Proceedings of the 20th International Conference on Inductive Logic Programming (ILP--10), Firenze, Italy, (2010)(Accepted).
S. Tran, and L. Davis. ECCV '08: Proceedings of the 10th European Conference on Computer Vision, page 610--623. Berlin, Heidelberg, Springer-Verlag, (2008)