メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.852286388544 35.2495395052274, 136.852982117586 35.249554347189, 136.852980718488 35.2502358999068, 136.852951031711 35.2518937967414, 136.851640456365 35.2518782617308, 136.851624514678 35.2518772338717, 136.850693100932 35.2518757794549, 136.850663067357 35.2513904853858, 136.850679829786 35.2502329133002, 136.850660388535 35.2492352474669, 136.851023614717 35.2492381720296, 136.851022944396 35.2494113405469, 136.851639004458 35.2493988685796, 136.851633561599 35.2495357570523, 136.852286388544 35.2495395052274)) ^^http://www.opengis.net/ont/geosparql#wktLiteral