メタデータ名 G20564044682
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0687500 36.0166667, 139.0750000 36.0166667, 139.0750000 36.0208334, 139.0687500 36.0208334, 139.0687500 36.0166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral