@inproceedings{SIGMOD-2004-YiHSY,
	author        = "Ke Yi and Hao He and Ioana Stanoi and Jun Yang",
	booktitle     = "{Proceedings of the 32nd ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/1007568.1007624",
	ee            = "http://www.sigmod.org/sigmod/sigmod04/eproceedings/pdf/R-316.pdf",
	isbn          = "1-58113-859-8",
	pages         = "491--502",
	publisher     = "{ACM}",
	title         = "{Incremental Maintenance of XML Structural Indexes}",
	year          = 2004,
}