メタデータ名 G20543841483
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.0312500 42.9583333, 142.0375000 42.9583333, 142.0375000 42.9625000, 142.0312500 42.9625000, 142.0312500 42.9583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral