メタデータ名 G20574057294
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.8937500 43.3166667, 141.9000000 43.3166667, 141.9000000 43.3208334, 141.8937500 43.3208334, 141.8937500 43.3166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral