メタデータ名 C1619
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.4812500 33.3416667, 131.4875000 33.3416667, 131.4875000 33.3458334, 131.4812500 33.3458334, 131.4812500 33.3416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral