メタデータ名 C21341-19780901
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.0125000 35.0500000, 136.0187500 35.0500000, 136.0187500 35.0541667, 136.0125000 35.0541667, 136.0125000 35.0500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral