@article {3862,
	title = {Flexible Integration of Multimedia Sub-Queries With Qualitative Preferences},
	journal = {Multimedia Tools and Applications},
	volume = {33},
	year = {2007},
	pages = {273},
	doi = {10.1007/s11042-007-0114-y},
	author = {Ilaria Bartolini and Paolo Ciaccia and Vincent Oria and Tamer Ozsu}
}
