メタデータ名 G20493021914
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.0312500 33.6750000, 131.0375000 33.6750000, 131.0375000 33.6791667, 131.0312500 33.6791667, 131.0312500 33.6750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral