メタデータ名 G20493004031
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.7062500 36.1666667, 139.7125000 36.1666667, 139.7125000 36.1708334, 139.7062500 36.1708334, 139.7062500 36.1666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral