メタデータ名 G20513871921
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.4062500 35.5416667, 139.4125000 35.5416667, 139.4125000 35.5458334, 139.4062500 35.5458334, 139.4062500 35.5416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral