メタデータ名 C28380-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0625000 35.1125000, 139.0687500 35.1125000, 139.0687500 35.1166667, 139.0625000 35.1166667, 139.0625000 35.1125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral