Valery A. Petrushin Anne Kao Latifur Khan The 4th international workshop on multimedia data mining (MDM/KDD2003). 106-108 2004 6 SIGKDD Explorations 1 http://doi.acm.org/10.1145/1007730.1007743 db/journals/sigkdd/sigkdd6.html#PetrushinKK04