メタデータ名 G20473061781
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.9687500 37.8583333, 139.9750000 37.8583333, 139.9750000 37.8625000, 139.9687500 37.8625000, 139.9687500 37.8583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral