OntClass C = model.createClass( ns + "C" );
Individual a = model.createIndividual( ns + "a", C );
Literal one = model.createTypedLiteral( "1", TypeMapper.getInstance().getTypeByName(
XSD.positiveInteger.getURI() ) );
a.addProperty( dp, one );
model.prepare();
Literal oneDecimal = model.createTypedLiteral( "1", TypeMapper.getInstance().getTypeByName(
XSD.decimal.getURI() ) );