メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.020215477355 34.9286160353679, 137.019246326976 34.9280466106868, 137.019139825219 34.9279730288356, 137.018877393829 34.9277915068898, 137.018684559352 34.9277057787771, 137.018403599899 34.9275696592668, 137.017943401284 34.9272956385196, 137.017626245595 34.9271038370338, 137.017446927534 34.926998473057, 137.017022076653 34.9266868840206, 137.016716356675 34.9264805848154, 137.020154163669 34.9234064885725, 137.023276706878 34.9254860028577, 137.020215477355 34.9286160353679)) ^^http://www.opengis.net/ont/geosparql#wktLiteral