@ARTICLE {
	AUTHOR = "Waqas Ali and Muhammed Salem and Bin Yao and Aidan Hogan and Axel-Cyrille Ngonga Ngomo",
	TITLE ="A Survey of RDF Stores \& SPARQL Engines for Querying Knowledge Graphs",
	JOURNAL = "The VLDB Journal (VLDBJ)",
	VOLUME = "31",
	NUMBER = "3",
	PAGES = "1-26",
	YEAR = "2022",
	PUBLISHER = "Springer",
	ADDRESS = "New York, NY, USA",
	ISSN = "1066-8888"
	}