メタデータ名 C15550-19731115
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.6375000 38.2083333, 140.6437500 38.2083333, 140.6437500 38.2125000, 140.6375000 38.2125000, 140.6375000 38.2083333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral