メタデータ名 G20493005031
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.9437500 43.2208334, 140.9500000 43.2208334, 140.9500000 43.2250000, 140.9437500 43.2250000, 140.9437500 43.2208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral