private static Model makeModel()
{
String BASE = "http://example/" ;
Model model = ModelFactory.createDefaultModel() ;
model.setNsPrefix("", BASE) ;
Resource r1 = model.createResource(BASE+"r1") ;
Resource r2 = model.createResource(BASE+"r2") ;
Property p1 = model.createProperty(BASE+"p") ;
Property p2 = model.createProperty(BASE+"p2") ;
RDFNode v1 = model.createTypedLiteral("1", XSDDatatype.XSDinteger) ;
RDFNode v2 = model.createTypedLiteral("2", XSDDatatype.XSDinteger) ;