メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.568745357362 35.2909279548415, 136.568834785453 35.2912530305995, 136.567665370288 35.2914800974044, 136.56693970155 35.2889207049966, 136.565686324088 35.2844062765281, 136.567918521399 35.2839821723851, 136.567599665601 35.2828726977571, 136.567288068002 35.2817526269241, 136.569487127956 35.2813318392658, 136.571586896091 35.2887990144657, 136.56938471013 35.2892245163319, 136.569706060746 35.2903952085528, 136.568658799881 35.2905981756371, 136.568745357362 35.2909279548415)) ^^http://www.opengis.net/ont/geosparql#wktLiteral