メタデータ名 G20544004021
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1875000 39.6666667, 141.1937500 39.6666667, 141.1937500 39.6708334, 141.1875000 39.6708334, 141.1875000 39.6666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral