メタデータ名 C20363-19920331
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.9500000 42.9375000, 142.9562500 42.9375000, 142.9562500 42.9416667, 142.9500000 42.9416667, 142.9500000 42.9375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral