メタデータ名 G20503373692
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.1250000 36.0333333, 138.1312500 36.0333333, 138.1312500 36.0375000, 138.1250000 36.0375000, 138.1250000 36.0333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral