メタデータ名 G20523732431
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.9187500 43.5416667, 141.9250000 43.5416667, 141.9250000 43.5458334, 141.9187500 43.5458334, 141.9187500 43.5416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral