@INPROCEEDINGS {
	AUTHOR = "Andr{\'e}s Letelier and Jorge P{\'e}rez and Reinhard Pichler and Sebastian Skritek",
	TITLE = "Static Analysis and Optimization of Semantic Web Queries",
	BOOKTITLE = "31st ACM SIGMOD-SIGACT-SIGART Symposium on Principles of Database Systems (PODS)",
	PAGES = "89-100",
	MONTH = "May",
	YEAR = "2012",
	ADDRESS = "Scottsdale, AZ, USA",
	PUBLISHER = "ACM Press",
	SERIES ="ACM International Conference Proceeding Series",
	}