メタデータ名 G20503474271
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.5750000 35.4416667, 136.5812500 35.4416667, 136.5812500 35.4458334, 136.5750000 35.4458334, 136.5750000 35.4416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral