メタデータ名 C3233
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2937500 38.7041667, 141.3000000 38.7041667, 141.3000000 38.7083333, 141.2937500 38.7083333, 141.2937500 38.7041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral