This book constitutes the refereed proceedings of the 9th IAPR-TC-15 International Workshop on
Graph-Based Representations in Pattern Recognition GbRPR 2013 held in Vienna Austria in May
2013. The 24 papers presented in this volume were carefully reviewed and selected from 27
submissions. They are organized in topical sections named: finding subregions in graphs graph
matching classification graph kernels properties of graphs topology graph representations
segmentation and shape and search in graphs.
