メタデータ名 G20563807391
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2125000 39.7416667, 141.2187500 39.7416667, 141.2187500 39.7458334, 141.2125000 39.7458334, 141.2125000 39.7416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral