メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.429405945317 39.2925772601452, 140.428800732974 39.2926714305257, 140.42860490333 39.2926516781028, 140.42840907454 39.2926319956143, 140.428219358509 39.2926123340724, 140.427858338609 39.2925682891857, 140.427787234499 39.2920583892297, 140.427648273959 39.2907501344547, 140.4275415345 39.2901617128855, 140.428546622853 39.2900035628761, 140.429405945317 39.2925772601452)) ^^http://www.opengis.net/ont/geosparql#wktLiteral