メタデータ名 G20564014374
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4000000 43.0541667, 141.4062500 43.0541667, 141.4062500 43.0583333, 141.4000000 43.0583333, 141.4000000 43.0541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral