メタデータ名 C47326
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.5812500 37.5708334, 140.5875000 37.5708334, 140.5875000 37.5750000, 140.5812500 37.5750000, 140.5812500 37.5708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral