: checkinghttp://www.semanticweb.org/OCD# Create a prefix for http://www.semanticweb.org/OCD# Hit Enter to save Double click to create a prefix | rdfs:subClassOf | : ID_0000189http://purl.obolibrary.org/obo/ Create a prefix for http://purl.obolibrary.org/obo/ Hit Enter to save Double click to create a prefix |