メタデータ名 G20502916484
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.5000000 43.8458334, 141.5062500 43.8458334, 141.5062500 43.8500000, 141.5000000 43.8500000, 141.5000000 43.8458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral