メタデータ名 G20473062451
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.5000000 35.6041667, 138.5062500 35.6041667, 138.5062500 35.6083333, 138.5000000 35.6083333, 138.5000000 35.6041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral