@inproceedings{ESOP-2008-Cheney,
	author        = "James Cheney",
	booktitle     = "{Proceedings of the 17th European Symposium on Programming}",
	doi           = "10.1007/978-3-540-78739-6_3",
	editor        = "Sophia Drossopoulou",
	isbn          = "978-3-540-78738-9",
	pages         = "32--47",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Regular Expression Subtyping for XML Query and Update Languages}",
	volume        = 4960,
	year          = 2008,
}