メタデータ名 C22446-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0250000 38.7708334, 141.0312500 38.7708334, 141.0312500 38.7750000, 141.0250000 38.7750000, 141.0250000 38.7708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral