メタデータ名 C1476
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.3750000 38.4583333, 140.3812500 38.4583333, 140.3812500 38.4625000, 140.3750000 38.4625000, 140.3750000 38.4583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral