メタデータ名 C28422-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.3812500 31.6375000, 131.3875000 31.6375000, 131.3875000 31.6416667, 131.3812500 31.6416667, 131.3812500 31.6375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral