メタデータ名 G20503321584
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.6312500 37.2416667, 140.6375000 37.2416667, 140.6375000 37.2458334, 140.6312500 37.2458334, 140.6312500 37.2416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral