メタデータ名 C11405-19890301
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.9750000 44.5333333, 142.9812500 44.5333333, 142.9812500 44.5375000, 142.9750000 44.5375000, 142.9750000 44.5333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral