メタデータ名 G20513542212
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.9937500 37.2458334, 139.0000000 37.2458334, 139.0000000 37.2500000, 138.9937500 37.2500000, 138.9937500 37.2458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral