メタデータ名 C15605-19870930
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.5000000 36.5708334, 140.5062500 36.5708334, 140.5062500 36.5750000, 140.5000000 36.5750000, 140.5000000 36.5708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral