@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#> .
@prefix : <http://www.w3.org/TR/sawsdl-guide/taxonomies/POServiceClassification#> .

    <http://www.w3.org/TR/sawsdl-guide/taxonomies/POServiceClassification#> rdf:type owl:Ontology .
    :PurchaseOrderServices rdf:type owl:Class .
    :OrderModification rdf:type owl:Class;
       rdfs:subClassOf :PurchaseOrderServices .
    :ItemAvailabilityCheck rdf:type owl:Class;
       rdfs:subClassOf :PurchaseOrderServices .
    :OrderPlacement rdf:type owl:Class;
       rdfs:subClassOf :PurchaseOrderServices .
    :ProductInfoInquiry rdf:type owl:Class;
       rdfs:subClassOf :PurchaseOrderServices .
    :OrderTracking rdf:type owl:Class;
       rdfs:subClassOf :PurchaseOrderServices .