メタデータ名 C23211-19800401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.4375000 40.6416667, 140.4437500 40.6416667, 140.4437500 40.6458334, 140.4375000 40.6458334, 140.4375000 40.6416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral