メタデータ名 G20513564944
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.7937500 43.4458334, 141.8000000 43.4458334, 141.8000000 43.4500000, 141.7937500 43.4500000, 141.7937500 43.4458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral