メタデータ名 C12217-20080401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2937500 41.2541667, 141.3000000 41.2541667, 141.3000000 41.2583333, 141.2937500 41.2583333, 141.2937500 41.2541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral