メタデータ名 C24210-19781001
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.6375000 38.5666667, 140.6437500 38.5666667, 140.6437500 38.5708334, 140.6375000 38.5708334, 140.6375000 38.5666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral