メタデータ名 C31400-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((129.9437500 33.5166667, 129.9500000 33.5166667, 129.9500000 33.5208334, 129.9437500 33.5208334, 129.9437500 33.5166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral