メタデータ名 G20614027971
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.8000000 44.8000000, 141.8062500 44.8000000, 141.8062500 44.8041667, 141.8000000 44.8041667, 141.8000000 44.8000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral