SPARQL PREFIX oplacl: PREFIX acl: WITH INSERT { a acl:Authorization ; rdfs:label "Private Named Graph ACL (HTTP Realm) for Named Graph Identified by IRI: " ; foaf:maker ; oplacl:hasAccessMode oplacl:Read ; acl:accessTo ; acl:agentClass foaf:Person ; oplacl:hasScope oplacl:PrivateGraphs ; oplacl:hasRealm oplacl:DefaultRealm . };