メタデータ名 G20513431294
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.8937500 43.3333333, 141.9000000 43.3333333, 141.9000000 43.3375000, 141.8937500 43.3375000, 141.8937500 43.3333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral