@inproceedings{HT-2002-TataGW,
	author        = "Samir Tata and Claude Godart and Uffe Kock Wiil",
	booktitle     = "{Proceedings of the 13th Conference on Hypertext and Hypermedia}",
	doi           = "10.1145/513338.513374",
	isbn          = "1-58113-477-0",
	pages         = "140--141",
	publisher     = "{ACM}",
	title         = "{Policies for cooperative hypermedia systems: concepts and prototype implementation}",
	year          = 2002,
}