@inproceedings{PODS-2007-Alur,
	author        = "Rajeev Alur",
	booktitle     = "{Proceedings of the 26th Symposium on Principles of Database Systems}",
	doi           = "10.1145/1265530.1265564",
	isbn          = "978-1-59593-685-1",
	pages         = "233--242",
	publisher     = "{ACM}",
	title         = "{Marrying words and trees}",
	year          = 2007,
}