メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.423964640576 34.774039695348, 137.425438047697 34.7740929248577, 137.427048965335 34.7741655637678, 137.428583915295 34.7742311604515, 137.428699226723 34.7750763535259, 137.42878314036 34.7755867896843, 137.428833843989 34.7759936243368, 137.428926317656 34.7765994047415, 137.427010485104 34.7766111082574, 137.4258966425 34.7766174207201, 137.425530164703 34.7766820077201, 137.425374173013 34.7760583306406, 137.423895932668 34.7760884973028, 137.422226213376 34.7760431233947, 137.421626929381 34.7760249340665, 137.421704975881 34.7739437194296, 137.422304715787 34.7739678226106, 137.423964640576 34.774039695348)) ^^http://www.opengis.net/ont/geosparql#wktLiteral