メタデータ名 S232020350
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.8937500 45.0541667, 141.9000000 45.0541667, 141.9000000 45.0583333, 141.8937500 45.0583333, 141.8937500 45.0541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral