メタデータ名 G20523647991
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.4812500 37.4958334, 140.4875000 37.4958334, 140.4875000 37.5000000, 140.4812500 37.5000000, 140.4812500 37.4958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral