メタデータ名 C12408-19910401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.0375000 35.2000000, 135.0437500 35.2000000, 135.0437500 35.2041667, 135.0375000 35.2041667, 135.0375000 35.2000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral