メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.89464601008 35.4864523092228, 136.894572807621 35.4864308776615, 136.894464744848 35.4863551418009, 136.894376810226 35.486253218512, 136.89432510678 35.4861185602601, 136.894269487863 35.4859576613917, 136.894243396362 35.485849645015, 136.8946233758 35.4858664519913, 136.894633117909 35.486067599711, 136.894634971899 35.4862203143573, 136.894643882146 35.4863807554877, 136.89464601008 35.4864523092228)) ^^http://www.opengis.net/ont/geosparql#wktLiteral