Hans-Peter Kriegel Peter Kunath Alexey Pryakhin Matthias Schubert Distribution-Based Similarity for Multi-represented Multimedia Objects. 155-164 2008 conf/mmm/2008 MMM http://dx.doi.org/10.1007/978-3-540-77409-9_15 db/conf/mmm/mmm2008.html#KriegelKPS08