<http://52.38.26.42:8080/role_type/primary_author> <http://purl.org/dc/terms/identifier> "primary_author" .
<http://52.38.26.42:8080/role_type/primary_author> <http://www.w3.org/2000/01/rdf-schema#label> "Primary Author" .
<http://52.38.26.42:8080/role_type/primary_author> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Role> .