Duy-Dinh Le Shin'ichi Satoh Michael E. Houle Dat Phuoc Tat Nguyen Finding Important People in Large News Video Databases Using Multimodal and Clustering Analysis. 127-136 2007 conf/icde/2007w ICDE Workshops http://dx.doi.org/10.1109/ICDEW.2007.4400982 db/conf/icde/icdew2007.html#LeSHN07