@prefix : <http://example.com/test#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

:INRIATeam a rdfs:Class .

:Paper a rdfs:Class .

:Person a rdfs:Class .

:ConferencePapers rdfs:subClassOf :Paper .

:ConferencePoster rdfs:subClassOf :Paper .