メタデータ名 G20503027451
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4625000 40.0458334, 141.4687500 40.0458334, 141.4687500 40.0500000, 141.4625000 40.0500000, 141.4625000 40.0458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral