メタデータ名 G20513414854
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0312500 37.3666667, 139.0375000 37.3666667, 139.0375000 37.3708334, 139.0312500 37.3708334, 139.0312500 37.3666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral