メタデータ名 C39400-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.4062500 39.4166667, 140.4125000 39.4166667, 140.4125000 39.4208334, 140.4062500 39.4208334, 140.4062500 39.4166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral