rr: RDF Prefix
R2RML vocabulary
RDB to RDF Mapping Language - Vocabulary
The http://www.w3.org/ns/r2rml# namespace defines:
| 15 | owl:Class |
| 8 | owl:DatatypeProperty |
| 2 | owl:NamedIndividual |
| 17 | owl:ObjectProperty |
| 1 | owl:Ontology |