メタデータ名 C25484-19811201
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.2875000 31.8166667, 131.2937500 31.8166667, 131.2937500 31.8208334, 131.2875000 31.8208334, 131.2875000 31.8166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral