メタデータ名 G20584027322
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.6437500 43.9666667, 141.6500000 43.9666667, 141.6500000 43.9708334, 141.6437500 43.9708334, 141.6437500 43.9666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral