メタデータ名 C12408-19910401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.3125000 25.9375000, 131.3187500 25.9375000, 131.3187500 25.9416667, 131.3125000 25.9416667, 131.3125000 25.9375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral