Lilac A. E. Al Safadi Janusz R. Getta Semantic Modeling for Video Content-Based Retrieval Systems. 2-9 2000 conf/acsc/2000 ACSC http://doi.ieeecomputersociety.org/10.1109/ACSC.2000.824373 db/conf/acsc/acsc2000.html#SafadiG00