メタデータ名 G20493234343
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.0312500 31.6583333, 131.0375000 31.6583333, 131.0375000 31.6625000, 131.0312500 31.6625000, 131.0312500 31.6583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral