メタデータ名 G20503201922
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0625000 34.8625000, 139.0687500 34.8625000, 139.0687500 34.8666667, 139.0625000 34.8666667, 139.0625000 34.8625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral