メタデータ名 G20493071171
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1562500 42.9583333, 141.1625000 42.9583333, 141.1625000 42.9625000, 141.1562500 42.9625000, 141.1562500 42.9583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral