メタデータ名 G20513255751
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0625000 36.1833333, 139.0687500 36.1833333, 139.0687500 36.1875000, 139.0625000 36.1875000, 139.0625000 36.1833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral