メタデータ名 G20513245864
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.6312500 42.8166667, 141.6375000 42.8166667, 141.6375000 42.8208334, 141.6312500 42.8208334, 141.6312500 42.8166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral