メタデータ名 G20503125872
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1000000 39.7916667, 141.1062500 39.7916667, 141.1062500 39.7958334, 141.1000000 39.7958334, 141.1000000 39.7916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral