メタデータ名 G20503021552
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.4750000 43.0500000, 144.4812500 43.0500000, 144.4812500 43.0541667, 144.4750000 43.0541667, 144.4750000 43.0500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral