. "http://www.ontologia.fr/OTB/otv.rdf" . . _:vb50695865 . . "Link a concept to one of its specific differences" . . "Indicate the differences owned by the concept" . . . . _:vb50695865 . "ownDifference" . . _:vb50695865 . . "The ownDifference property links a concept to one of its own differences" . . _:vb50695865 . . . . _:vb50695865 . .