メタデータ名 C01581-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.4562500 35.9083333, 139.4625000 35.9083333, 139.4625000 35.9125000, 139.4562500 35.9125000, 139.4562500 35.9083333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral