@prefix :           <http://example/> .
@prefix ns:           <http://example/ns#> .
@prefix  rdf:    <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix  rdfs:   <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl:     <http://www.w3.org/2002/07/owl#> .
## Names of entities used for the empty prefix.
@prefix this:    <http://example/this#> .
@prefix here:    <http://example/here#> .

:x rdf:type  :Class .
:x ns:p  123 .  
this:x ns:p  123 .  
here:x ns:p  123 .