Julien Ah-Pine Stéphane Clinchant Gabriela Csurka Comparison of Several Combinations of Multimodal and Diversity Seeking Methods for Multimedia Retrieval. 124-132 2009 CLEF (2) http://dx.doi.org/10.1007/978-3-642-15751-6_13 conf/clef/2009-2 db/conf/clef/clef2009-2.html#Ah-PineCC09