メタデータ名 C23218-20050401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.9562500 38.5833333, 140.9625000 38.5833333, 140.9625000 38.5875000, 140.9562500 38.5875000, 140.9562500 38.5833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral