メタデータ名 C437
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.3750000 38.0541667, 139.3812500 38.0541667, 139.3812500 38.0583333, 139.3750000 38.0583333, 139.3750000 38.0541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral