メタデータ名 S271410900
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.9750000 34.7458334, 138.9812500 34.7458334, 138.9812500 34.7500000, 138.9750000 34.7500000, 138.9750000 34.7458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral