メタデータ名 G20644151674
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.9625000 42.5916667, 141.9687500 42.5916667, 141.9687500 42.5958334, 141.9625000 42.5958334, 141.9625000 42.5916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral