メタデータ名 C24421-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.5187500 36.5000000, 136.5250000 36.5000000, 136.5250000 36.5041667, 136.5187500 36.5041667, 136.5187500 36.5000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral