メタデータ名 G20573902474
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4312500 43.2333333, 141.4375000 43.2333333, 141.4375000 43.2375000, 141.4312500 43.2375000, 141.4312500 43.2333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral