Sabrina Tollari Marcin Detyniecki Ali Fakeri-Tabrizi Christophe Marsala Massih-Reza Amini Patrick Gallinari Using Visual Concepts and Fast Visual Diversity to Improve Image Retrieval. 577-584 2008 CLEF http://dx.doi.org/10.1007/978-3-642-04447-2_71 conf/clef/2008 db/conf/clef/clef2008.html#TollariDFMAG08