メタデータ名 C22481-19811201
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.4625000 34.1000000, 131.4687500 34.1000000, 131.4687500 34.1041667, 131.4625000 34.1041667, 131.4625000 34.1000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral