メタデータ名 G20493143522
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.4687500 43.3750000, 142.4750000 43.3750000, 142.4750000 43.3791667, 142.4687500 43.3791667, 142.4687500 43.3750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral