A vocabulary defining annotations enabling loose coupling between classes and properties in ontologies. Those annotations define with some accuracy the expected use of properties, in particular across vocabularies, without the formal constraints entailed by the use of OWL or RDFS constructions @en
(2013-09-02) María Poveda-Villalón: Blog post about olca: http://bvatant.blogspot.com.es/2013/02/schemaorg-and-ontology-loose-coupling.html
(2014-11-24) Bernard Vatant: The html publication was relying on Parrot, but this service has some issues. No html documentation for now, only the Turtle file.
(2016-01-31) Ghislain Atemezing: Dereferencing issue with the new namespace.
(2020-06-01) Ghislain Atemezing: New URI now pointing to w3id.org/vocab/olca to solve conneg issues.