@article{201906.0238,
	doi = {},
	url = {https://doi.org/},
	year = 2019,
	month = {June},
	publisher = {Preprints},
	author = {Jiuyun Xu and Chao Zhang},
	title = {Massive RDF Query Processing Efficiently in Spark Environment Based on Semantic Connection Set},
	journal = {Preprints}
}