メタデータ名 G20502917031
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8062500 35.7416667, 139.8125000 35.7416667, 139.8125000 35.7458334, 139.8062500 35.7458334, 139.8062500 35.7416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral