@inproceedings {4971,
	title = {Decidable Reasoning Over Timestamped Conceptual Models},
	booktitle = {International Workshop on Description Logics (DL)},
	year = {2008},
	url = {http://ceur-ws.org/Vol-353/ArtaleToman.pdf},
	author = {Alessandro Artale and David Toman}
}
