メタデータ名 C20465-19860901
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.4125000 31.8666667, 131.4187500 31.8666667, 131.4187500 31.8708334, 131.4125000 31.8708334, 131.4125000 31.8666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral