メタデータ名 G20473173351
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.3375000 35.9166667, 139.3437500 35.9166667, 139.3437500 35.9208334, 139.3375000 35.9208334, 139.3375000 35.9166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral