@article{VLDB-2009-CautisDOV,
	author        = "Bogdan Cautis and Alin Deutsch and Nicola Onose and Vasilis Vassalos",
	ee            = "http://www.vldb.org/pvldb/2/vldb09-638.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 1,
	pages         = "301--312",
	title         = "{Efficient Rewriting of XPath Queries Using Query Set Specifications}",
	volume        = 2,
	year          = 2009,
}