メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.908060114634 43.5003945986475, 141.908050237883 43.500394216264, 141.90640205959 43.5003892791851, 141.906163050653 43.4995849083065, 141.905863428326 43.4985011238292, 141.906662333769 43.4983620967533, 141.907440566457 43.4982266586044, 141.90774270631 43.499331193141, 141.908060114634 43.5003945986475)) ^^http://www.opengis.net/ont/geosparql#wktLiteral