メタデータ名 C108
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.9625000 34.5750000, 134.9687500 34.5750000, 134.9687500 34.5791667, 134.9625000 34.5791667, 134.9625000 34.5750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral