メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.516291747572 34.6820407917932, 135.516308152824 34.6822700362993, 135.516794687195 34.68225548429, 135.516807700401 34.6825038724324, 135.515614487345 34.6825328052374, 135.514495632993 34.6825524438253, 135.514472783678 34.6823250038613, 135.514444729835 34.6823255980618, 135.514433172453 34.6821214438732, 135.514414305932 34.6818155833208, 135.515627246307 34.6817683635372, 135.516270300193 34.681741001448, 135.516291747572 34.6820407917932)) ^^http://www.opengis.net/ont/geosparql#wktLiteral