メタデータ名 G20523417391
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0812500 39.4250000, 141.0875000 39.4250000, 141.0875000 39.4291667, 141.0812500 39.4291667, 141.0812500 39.4250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral