メタデータ名 C20464-20050120
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.5062500 40.2125000, 140.5125000 40.2125000, 140.5125000 40.2166667, 140.5062500 40.2166667, 140.5062500 40.2125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral