@inproceedings{CIKM-2004-RavindranG,
	author        = "Devanand Ravindran and Susan Gauch",
	booktitle     = "{Proceedings of the 13th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1031171.1031221",
	isbn          = "1-58113-874-1",
	pages         = "238--239",
	publisher     = "{ACM}",
	title         = "{Exploiting hierarchical relationships in conceptual search}",
	year          = 2004,
}