メタデータ名 G20513663973
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.9312500 42.3708334, 140.9375000 42.3708334, 140.9375000 42.3750000, 140.9312500 42.3750000, 140.9312500 42.3708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral