メタデータ名 G20513373594
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0312500 37.0750000, 139.0375000 37.0750000, 139.0375000 37.0791667, 139.0312500 37.0791667, 139.0312500 37.0750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral