Albert Solé-Ribalta Francesc Serratosa A Structural and Semantic Probabilistic Model for Matching and Representing a Set of Graphs. 164-173 2009 GbRPR http://dx.doi.org/10.1007/978-3-642-02124-4_17 conf/gbrpr/2009 db/conf/gbrpr/gbrpr2009.html#Sole-RibaltaS09