メタデータ名 C21580-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((129.7562500 33.2500000, 129.7625000 33.2500000, 129.7625000 33.2541667, 129.7562500 33.2541667, 129.7562500 33.2500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral