メタデータ名 G20533973983
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.4312500 44.3708334, 142.4375000 44.3708334, 142.4375000 44.3750000, 142.4312500 44.3750000, 142.4312500 44.3708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral