メタデータ名 G20503223302
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.7312500 43.8583333, 141.7375000 43.8583333, 141.7375000 43.8625000, 141.7312500 43.8625000, 141.7312500 43.8583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral