W. Waegeman, B. De Baets, and L. Boullart. Proceedings of the 6th International Workshop on Mining
and Learning with Graphs (MLG-08), Helsinki, Finland, (2008)
S. Landeghem, Y. Saeys, B. Baets, and Y. de Peer. Proceedings of the BioNLP 2009 Workshop Companion Volume for Shared Task, page 128--136. Boulder, Colorado, Association for Computational Linguistics, (June 2009)