Graph-Based Representations in Pattern Recognition 8th IAPR-TC-15 International Workshop, GbRPR 2011, Münster, Germany, May 18-20, 2011, Proceedings - Jiang, Xiaoyi.; Jiang, Xiaoyi.; Ferrer, Miquel.; Ferrer, Miquel.; Torsello, Andrea.; Torsello, Andrea. (Springer Berlin Heidelberg : Imprint: Springer, 2011)