メタデータ名 C24213-19991215
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.8750000 35.3375000, 138.8812500 35.3375000, 138.8812500 35.3416667, 138.8750000 35.3416667, 138.8750000 35.3375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral