メタデータ名 G20523357083
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.1625000 35.9541667, 138.1687500 35.9541667, 138.1687500 35.9583333, 138.1625000 35.9583333, 138.1625000 35.9541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral