メタデータ名 G20473056203
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.9875000 44.8791667, 141.9937500 44.8791667, 141.9937500 44.8833333, 141.9875000 44.8833333, 141.9875000 44.8791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral