メタデータ名 G20503000231
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.8000000 40.1708334, 140.8062500 40.1708334, 140.8062500 40.1750000, 140.8000000 40.1750000, 140.8000000 40.1708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral