メタデータ名 G20503003122
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1875000 38.4583333, 141.1937500 38.4583333, 141.1937500 38.4625000, 141.1875000 38.4625000, 141.1875000 38.4583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral