メタデータ名 G20493164972
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.8437500 38.4666667, 140.8500000 38.4666667, 140.8500000 38.4708334, 140.8437500 38.4708334, 140.8437500 38.4666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral