メタデータ名 G20503360402
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.9937500 37.0958334, 138.0000000 37.0958334, 138.0000000 37.1000000, 137.9937500 37.1000000, 137.9937500 37.0958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral