メタデータ名 G20493014584
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.2000000 34.8958334, 138.2062500 34.8958334, 138.2062500 34.9000000, 138.2000000 34.9000000, 138.2000000 34.8958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral