メタデータ名 G20644340273
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.6875000 43.8958334, 141.6937500 43.8958334, 141.6937500 43.9000000, 141.6875000 43.9000000, 141.6875000 43.8958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral