メタデータ名 G20513337363
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.8375000 42.4875000, 140.8437500 42.4875000, 140.8437500 42.4916667, 140.8375000 42.4916667, 140.8375000 42.4875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral