PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX nav: <http://cpgu.kbpm.ru/ns/rm/navigation#>
PREFIX rm: <http://cpgu.kbpm.ru/ns/rm/rdf#>
SELECT DISTINCT ?URI ?p ?o WHERE {
  ?URI rdfs:subClassOf rm:ArtifactType.
  ?URI ?p ?o.
}