メタデータ名 C3404
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.6750000 34.7916667, 137.6812500 34.7916667, 137.6812500 34.7958334, 137.6750000 34.7958334, 137.6750000 34.7916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral