メタデータ名 C18204-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.3312500 37.4625000, 140.3375000 37.4625000, 140.3375000 37.4666667, 140.3312500 37.4666667, 140.3312500 37.4625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral