(2014-06-09) Bernard Vatant: Annual review. Fixed version history.
(2013-09-11) Bernard Vatant: This vocabulary has been developed as part of a thesis. It is well documented and put in context, and has a full version track since 2006. The recommended prefix in the RDF file is co, changed to cro in LOV to avoid conflicts.
(2015-08-21) Ghislain Atemezing: This vocabulary contains some relevant semantic rules embedded in comments annotations.
(2022-09-22) Ghislain Atemezing: Annual review - added new ontology version