R. Sedlácek, C. Schwarz, J. Kratochv\'ıl, and E. Werner. 11th International Symposium on Continuum Models and Discrete Systems (CMDS 11), page 299-304. Ecole des Mines de Paris, CMDS, PRESSES INTERNATIONALES POLYTECHNIQUE, (May 2008)(CMDS 11: Paris, France, 30 July - 3 August 2007).
R. Sedlácek, C. Schwarz, J. Kratochv\'ıl, and E. Werner. 11th International Symposium on Continuum Models and Discrete Systems
(CMDS 11), page 299-304. Ecole des Mines de Paris, CMDS, PRESSES INTERNATIONALES POLYTECHNIQUE, (May 2008)(CMDS 11: Paris, France, 30 July - 3 August 2007).
J. Lehmann, and P. Hitzler. Inductive Logic Programming, 17th International Conference, ILP 2007, Corvallis, OR, USA, June 19-21, 2007, volume 4894 of Lecture Notes in Computer Science, page 147--160. Springer, (2008)Best Student Paper Award.