メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.928226275905 35.1300403284736, 136.929568576099 35.1301389917338, 136.929521155103 35.1305439154321, 136.929478830199 35.1309053967034, 136.929477709763 35.1309149011467, 136.9294344619 35.1312846206695, 136.928406381739 35.1311665113943, 136.928089223191 35.1311286228578, 136.928087764396 35.131121647246, 136.927483651323 35.1310513513342, 136.927462808225 35.1310116594114, 136.92730827048 35.130519639018, 136.927275320602 35.1303842143324, 136.927189296578 35.1300914942222, 136.928207788602 35.1300228260007, 136.928228425723 35.1300232890967, 136.928226275905 35.1300403284736)) ^^http://www.opengis.net/ont/geosparql#wktLiteral