メタデータ名 C09303-19780401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0625000 36.6666667, 139.0687500 36.6666667, 139.0687500 36.6708334, 139.0625000 36.6708334, 139.0625000 36.6666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral