@inproceedings{CIKM-2004-Rigoutsos,
	author        = "Isidore Rigoutsos",
	booktitle     = "{Proceedings of the 13th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1031171.1031173",
	isbn          = "1-58113-874-1",
	pages         = "250",
	publisher     = "{ACM}",
	title         = "{Of parts and relationships: an unending quest}",
	year          = 2004,
}