メタデータ名 G20644162063
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3812500 42.5708334, 141.3875000 42.5708334, 141.3875000 42.5750000, 141.3812500 42.5750000, 141.3812500 42.5708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral