@article{VLDB-2011-KimRA,
	author        = "HyeongSik Kim and Padmashree Ravindra and Kemafor Anyanwu",
	ee            = "http://www.vldb.org/pvldb/vol4/p1426-kim.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 12,
	pages         = "1426--1429",
	title         = "{From SPARQL to MapReduce: The Journey Using a Nested TripleGroup Algebra}",
	volume        = 4,
	year          = 2011,
}