メタデータ名 G20492976471
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8625000 35.0541667, 139.8687500 35.0541667, 139.8687500 35.0583333, 139.8625000 35.0583333, 139.8625000 35.0541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral