メタデータ名 G20583917923
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.0750000 31.4583333, 131.0812500 31.4583333, 131.0812500 31.4625000, 131.0750000 31.4625000, 131.0750000 31.4583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral