メタデータ名 G20503335261
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.8875000 43.2958334, 141.8937500 43.2958334, 141.8937500 43.3000000, 141.8875000 43.3000000, 141.8875000 43.2958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral