メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.754531990049 35.6546846005554, 139.754651120312 35.6555605255119, 139.754818582235 35.6568438954648, 139.754152753829 35.6569135986468, 139.753787398392 35.6569537424098, 139.753737917841 35.6569556459059, 139.75358708084 35.6569689974367, 139.753290104429 35.6569995744509, 139.752875280586 35.6570185570985, 139.752836140863 35.6563411989934, 139.752801114316 35.6557682740342, 139.752752767297 35.6551871646445, 139.752728937243 35.6549007578236, 139.752681614734 35.654378563725, 139.752663424358 35.6541307096973, 139.752649078045 35.6539352506091, 139.752635799577 35.653754331395, 139.752593746545 35.6533776639745, 139.753456966088 35.6532427137586, 139.753936115464 35.6531614507932, 139.754168232948 35.6531315697597, 139.754305256556 35.6531139125672, 139.754358888029 35.6534872784401, 139.754531990049 35.6546846005554)) ^^http://www.opengis.net/ont/geosparql#wktLiteral