@inproceedings{SAC-2004-ChenC,
	author        = "Yangjun Chen and Yibin Chen",
	booktitle     = "{Proceedings of the 19th Symposium on Applied Computing}",
	doi           = "10.1145/967900.968050",
	editor        = "Hisham Haddad and Andrea Omicini and Roger L. Wainwright and Lorie M. Liebrock",
	isbn          = "1-58113-812-1",
	pages         = "724--728",
	publisher     = "{ACM}",
	title         = "{Signature file hierarchies and signature graphs: a new index method for object-oriented databases}",
	year          = 2004,
}