@ARTICLE {
        AGBFMPNkais14,
	AUTHOR = "S. {\'A}lvarez-Garc{\'{\i}}a and N. Brisaboa and
		  J. Fern{\'a}ndez and M. Mart{\'{\i}}nez-Prieto and
		  G. Navarro",
	TITLE = "Compressed Vertical Partitioning for Efficient {RDF} Management",
        JOURNAL = "Knowledge and Information Systems",
        PUBLISHER = "Springer",
	VOLUME = 44,
	NUMBER = 2,
	PAGES = "439--474",
	YEAR = 2015
        }