@article {journals/ivc/VakaliHE04, title = {MPEG-7 based description schemes for multi-level video content classification}, journal = {Image Vision Comput.}, volume = {22}, number = {5}, year = {2004}, pages = {367-378}, author = {Athena Vakali and Hacid, Mohand-Said and Elmagarmid, Ahmed K.} }