メタデータ名 G20523702484
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.4437500 38.1583333, 138.4500000 38.1583333, 138.4500000 38.1625000, 138.4437500 38.1625000, 138.4437500 38.1583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral