メタデータ名 C5031
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.8875000 33.0625000, 131.8937500 33.0625000, 131.8937500 33.0666667, 131.8875000 33.0666667, 131.8875000 33.0625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral