@article {67432,
	title = {A scalable and efficient query answering for a context and schema mediation},
	journal = {Journal of Convergence Information TechnologyJournal of Convergence Information Technology},
	volume = {5},
	year = {2010},
	month = {2010},
	isbn = {1975-9320},
	author = {Saber, Benharzallah and Okba, Kazar}
}
