メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.280451715113 37.8492330271861, 139.27839382941 37.8515958764521, 139.276609677599 37.8477648408016, 139.273501927559 37.8463574583769, 139.275248227129 37.8439235341727, 139.275330560115 37.8438268386994, 139.275458438111 37.8437389923695, 139.275749250793 37.8436561302032, 139.276531404457 37.8434827431644, 139.278595691568 37.84299919367, 139.280742933684 37.8424975961061, 139.281268384502 37.843956286122, 139.281302955797 37.8442118612644, 139.281562105422 37.8449802243529, 139.281109083203 37.8454630150783, 139.281598778607 37.8454345712539, 139.281826062216 37.8454550233113, 139.281989685159 37.8454825179157, 139.282175579843 37.8455428054149, 139.281513728567 37.8462478729806, 139.281518824806 37.8463520175287, 139.27935004808 37.8469597788794, 139.28001463865 37.848404175349, 139.279999418973 37.8488461941324, 139.280451715113 37.8492330271861)) ^^http://www.opengis.net/ont/geosparql#wktLiteral