/Users/michele.pasin/dev2/ontospy-examples/rdf/schemaorg-30.1.ttl
http://www.w3.org/2000/01/rdf-schema#label
rdf:Property
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . rdfs:label a rdf:Property .