@inproceedings{CIKM-2003-AbelloK,
	author        = "James Abello and Yannis Kotidis",
	booktitle     = "{Proceedings of the 12th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/956863.956948",
	isbn          = "1-58113-723-0",
	pages         = "453--460",
	publisher     = "{ACM}",
	title         = "{Hierarchical graph indexing}",
	year          = 2003,
}