メタデータ名 G20412857904
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.7375000 41.8666667, 140.7437500 41.8666667, 140.7437500 41.8708334, 140.7375000 41.8708334, 140.7375000 41.8666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral