@inproceedings{PODS-2004-Marx,
	author        = "Maarten Marx",
	booktitle     = "{Proceedings of the 23rd Symposium on Principles of Database Systems}",
	doi           = "10.1145/1055558.1055562",
	ee            = "http://www.acm.org/sigmod/pods/proc04/pdf/P-02.pdf",
	isbn          = "1-58113-858-X",
	pages         = "13--22",
	publisher     = "{ACM}",
	title         = "{Conditional XPath, the First Order Complete XPath Dialect}",
	year          = 2004,
}