メタデータ名 G20523520374
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.1312500 37.6583333, 139.1375000 37.6583333, 139.1375000 37.6625000, 139.1312500 37.6625000, 139.1312500 37.6583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral