1@prefix : <http://example.org/> .
2@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
3@prefix owl: <http://www.w3.org/2002/07/owl#> .
4
5_:1 a owl:Ontology .
6:p a owl:DatatypeProperty .
7:s1 :p 1 .
8:s2 :p 2 .
9:s3 :p 3 .
10:s4 :p 4 .
11