// checking get functions
assertIteratorValues( model.listObjectsOfProperty( a, hasRelative ), new Resource[] {
b, c, f } );
assertIteratorValues( model.listObjectsOfProperty( a, knows ),
new Resource[] { b, c, d, f } );
assertIteratorValues( model.listObjectsOfProperty( b, knows ), new Resource[] { c, e, f } );
assertIteratorValues( model.listSubjectsWithProperty( knows, e ), new Resource[] { b, d } );