@inproceedings{PODS-2010-BarceloHLW,
	author        = "Pablo Barceló and Carlos A. Hurtado and Leonid Libkin and Peter T. Wood",
	booktitle     = "{Proceedings of the 29th Symposium on Principles of Database Systems}",
	doi           = "10.1145/1807085.1807089",
	isbn          = "978-1-4503-0033-9",
	pages         = "3--14",
	publisher     = "{ACM}",
	title         = "{Expressive languages for path queries over graph-structured data}",
	year          = 2010,
}