メタデータ名 G20493130211
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.5062500 43.6250000, 142.5125000 43.6250000, 142.5125000 43.6291667, 142.5062500 43.6291667, 142.5062500 43.6250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral