メタデータ名 G20492956284
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.9625000 37.2541667, 138.9687500 37.2541667, 138.9687500 37.2583333, 138.9625000 37.2583333, 138.9625000 37.2541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral