@inproceedings{ECDL-2002-Heggland,
	author        = "Jon Heggland",
	booktitle     = "{Proceedings of the Sixth European Conference on Research and Advanced Technology for Digital Libraries}",
	doi           = "10.1007/3-540-45747-X_9",
	isbn          = "3-540-44178-6",
	pages         = "118--128",
	publisher     = "{Springer}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{OntoLog: Temporal Annotation Using Ad Hoc Ontologies and Application Profiles}",
	volume        = 2458,
	year          = 2002,
}