Serhiy Kosinov Stéphane Marchand-Maillet Igor Kozintsev Carole Dulong Thierry Pun Dual diffusion model of spreading activation for content-based image retrieval. 43-50 2006 conf/mir/2006 Multimedia Information Retrieval http://doi.acm.org/10.1145/1178677.1178686 db/conf/mir/mir2006.html#KosinovMKDP06