code: @Override
      public org.openrdf.model.Statement createDataProperty(org.openrdf.model.Resource r,
  					    QualifiedName pred, 
  					    LiteralImpl literalImpl) {
  	return new StatementImpl(r, qualifiedNameToURI(pred), literalImpl);
      }
docs: /* (non-Javadoc)
  @see org.openprovenance.prov.rdf.GraphBuilder#createDataProperty(java.lang.Object, org.openprovenance.prov.model.QualifiedName, java.lang.Object)