. . . "Recommendation version 2013-04-30"@en . . . "W3C PROVenance Interchange Ontology (PROV-O)"@en . . "This document is published by the Provenance Working Group (http://www.w3.org/2011/prov/wiki/Main_Page). \n\nIf you wish to make comments regarding this document, please send them to public-prov-comments@w3.org (subscribe public-prov-comments-request@w3.org, archives http://lists.w3.org/Archives/Public/public-prov-comments/). All feedback is welcome."@en . . . .