メタデータ名 G20553723684
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.8937500 43.3458334, 141.9000000 43.3458334, 141.9000000 43.3500000, 141.8937500 43.3500000, 141.8937500 43.3458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral