メタデータ名 G20493264422
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.5062500 40.0583333, 141.5125000 40.0583333, 141.5125000 40.0625000, 141.5062500 40.0625000, 141.5062500 40.0583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral