メタデータ名 G20513776993
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.3375000 38.4166667, 140.3437500 38.4166667, 140.3437500 38.4208334, 140.3375000 38.4208334, 140.3375000 38.4166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral