@inproceedings{SIGMOD-2002-ChungMS,
	author        = "Chin-Wan Chung and Jun-Ki Min and Kyuseok Shim",
	booktitle     = "{Proceedings of the 20th ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/564691.564706",
	isbn          = "1-58113-497-5",
	pages         = "121--132",
	publisher     = "{ACM}",
	title         = "{APEX: an adaptive path index for XML data}",
	year          = 2002,
}