@INBOOK {
	AUTHOR = "Marcelo Arenas and Jorge P{\'e}rez",
	TITLE = "Federation and Navigation in SPARQL 1.1",
	BOOKTITLE = "Reasoning Web. Semantic Technologies for Advanced Query Answering",
	PAGES = "78-111",
	MONTH = "Sep",
	YEAR = "2012",
	PUBLISHER = "Springer-Verlag",
	ADDRESS = "Berlin/Heidelberg, Germany",
	ISBN = "978-3-642-33158-9",
	SERIES ="Lecture Notes in Computer Science",
	NUMBER = "7487",
	}