@inproceedings{CIKM-2002-GrahneZ,
	author        = "Gösta Grahne and Jianfei Zhu",
	booktitle     = "{Proceedings of the 11th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/584792.584867",
	pages         = "453--460",
	publisher     = "{ACM}",
	title         = "{Discovering approximate keys in XML data}",
	year          = 2002,
}