メタデータ名 G20493070552
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8437500 37.6958334, 139.8500000 37.6958334, 139.8500000 37.7000000, 139.8437500 37.7000000, 139.8437500 37.6958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral