メタデータ名 C21481-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((129.7000000 33.7458334, 129.7062500 33.7458334, 129.7062500 33.7500000, 129.7000000 33.7500000, 129.7000000 33.7458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral