メタデータ名 G20492967472
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.3750000 38.4916667, 140.3812500 38.4916667, 140.3812500 38.4958334, 140.3750000 38.4958334, 140.3750000 38.4916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral