メタデータ名 G20644321581
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.0125000 43.5583333, 142.0187500 43.5583333, 142.0187500 43.5625000, 142.0125000 43.5625000, 142.0125000 43.5583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral