メタデータ名 G20493102951
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3812500 40.0916667, 141.3875000 40.0916667, 141.3875000 40.0958334, 141.3812500 40.0958334, 141.3812500 40.0916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral