メタデータ名 G20473002791
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.8500000 43.8375000, 143.8562500 43.8375000, 143.8562500 43.8416667, 143.8500000 43.8416667, 143.8500000 43.8375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral