メタデータ名 G20563837831
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.8875000 37.6958334, 138.8937500 37.6958334, 138.8937500 37.7000000, 138.8875000 37.7000000, 138.8875000 37.6958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral