メタデータ名 G20493077713
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.9812500 43.6125000, 141.9875000 43.6125000, 141.9875000 43.6166667, 141.9812500 43.6166667, 141.9812500 43.6125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral