@article {3839,
	title = {Processing SPARQL Queries Over Distributed RDF Graphs},
	journal = {The VLDB Journal},
	volume = {25},
	year = {2016},
	pages = {243--268},
	doi = {10.1007/s00778-015-0415-0},
	author = {Peng Peng and Lei Zou and Tamer Ozsu and Lei Chen and Dongyan Zhao}
}
