@article {3766,
	title = {Sapphire: Querying RDF Data Made Simple},
	journal = {Proceedings of the VLDB Endowment (PVLDB)},
	volume = {9},
	year = {2016},
	pages = {1481--1484},
	doi = {10.14778/3007263.3007289},
	url = {http://www.vldb.org/pvldb/vol9/p1481-el-roby.pdf},
	author = {Ahmed El-Roby and Khaled Ammar and Ashraf Aboulnaga and Jimmy Lin}
}
