メタデータ名 C23201-19700901
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((129.8000000 33.1416667, 129.8062500 33.1416667, 129.8062500 33.1458334, 129.8000000 33.1458334, 129.8000000 33.1416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral