メタデータ名 G20473160451
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0750000 35.1333333, 139.0812500 35.1333333, 139.0812500 35.1375000, 139.0750000 35.1375000, 139.0750000 35.1333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral