メタデータ名 G20493165683
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.0125000 38.8291667, 140.0187500 38.8291667, 140.0187500 38.8333333, 140.0125000 38.8333333, 140.0125000 38.8291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral