@inproceedings{SIGMOD-2005-YangKT,
	author        = "Rui Yang and Panos Kalnis and Anthony K. H. Tung",
	booktitle     = "{Proceedings of the 23rd ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/1066157.1066243",
	isbn          = "1-59593-060-4",
	pages         = "754--765",
	publisher     = "{ACM}",
	title         = "{Similarity Evaluation on Tree-structured Data}",
	year          = 2005,
}