PREFIX org:   <http://www.w3.org/ns/org#>
PREFIX foaf:  <http://xmlns.com/foaf/0.1/>
PREFIX oo:    <http://purl.org/openorg/>
PREFIX rdfs:  <http://www.w3.org/2000/01/rdf-schema#>
PREFIX cerif: <http://eurocris.org/ontologies/cerif/1.3#>