メタデータ名 G20513247521
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.9750000 38.7666667, 140.9812500 38.7666667, 140.9812500 38.7708334, 140.9750000 38.7708334, 140.9750000 38.7666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral