メタデータ名 C4181
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((133.6937500 33.5750000, 133.7000000 33.5750000, 133.7000000 33.5791667, 133.6937500 33.5791667, 133.6937500 33.5750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral