メタデータ名 C12323-19870601
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0312500 37.5166667, 141.0375000 37.5166667, 141.0375000 37.5208334, 141.0312500 37.5208334, 141.0312500 37.5166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral