メタデータ名 C38400
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.8312500 42.6916667, 140.8375000 42.6916667, 140.8375000 42.6958334, 140.8312500 42.6958334, 140.8312500 42.6916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral