メタデータ名 S212018111
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.5437500 43.0000000, 141.5500000 43.0000000, 141.5500000 43.0041667, 141.5437500 43.0041667, 141.5437500 43.0000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral