メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.051516024624 38.5897002281664, 141.051417915544 38.5897209662147, 141.050175538075 38.5900024620768, 141.048910028797 38.5902730081459, 141.047676547343 38.5904457896029, 141.046798578926 38.5904981042868, 141.045550683718 38.5904859162248, 141.044667911624 38.5904838822268, 141.04399334206 38.5905504352288, 141.043051133426 38.5907623206602, 141.039801151546 38.5908982703252, 141.03945688679 38.5863213193278, 141.039210660339 38.5836873389333, 141.050945731797 38.5830651979169, 141.051025376802 38.5840901004714, 141.051296766217 38.5872542744368, 141.051516024624 38.5897002281664)) ^^http://www.opengis.net/ont/geosparql#wktLiteral