メタデータ名 G20473056914
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.5750000 39.1166667, 140.5812500 39.1166667, 140.5812500 39.1208334, 140.5750000 39.1208334, 140.5750000 39.1166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral