メタデータ名 G20523640451
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.5000000 38.2500000, 138.5062500 38.2500000, 138.5062500 38.2541667, 138.5000000 38.2541667, 138.5000000 38.2500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral