メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.063741614772 36.0567521175799, 138.064930849552 36.0574303483833, 138.065138043596 36.0575520255564, 138.065214642927 36.0577286495688, 138.065199330507 36.0580377528319, 138.065292292735 36.0581640629542, 138.065303731827 36.0582919433783, 138.065331764363 36.0594409481027, 138.065379346884 36.0599672123329, 138.065406869097 36.060111545406, 138.065715698551 36.0608911522878, 138.064905617631 36.0606648768944, 138.064136400388 36.0604130341498, 138.063379684462 36.060167313759, 138.062598043355 36.0599133860418, 138.062136108703 36.0597915324815, 138.061857968963 36.0596790709651, 138.061556022206 36.0594812903596, 138.060991658318 36.059002730909, 138.060281174466 36.0584394725404, 138.06069375898 36.058068672986, 138.060958623524 36.0578605320329, 138.061108117778 36.0577603037654, 138.06153452364 36.0575149720069, 138.061631113 36.0574473062912, 138.061807474977 36.0572552292319, 138.06188551523 36.0571698519058, 138.062182657644 36.0567376246539, 138.06251737351 36.0562375024551, 138.06259395568 36.0561332319155, 138.06285694687 36.0562702294263, 138.063741614772 36.0567521175799)) ^^http://www.opengis.net/ont/geosparql#wktLiteral