メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.659817915546 36.5621947535213, 136.657875696188 36.5633675787142, 136.657700268605 36.5634925739705, 136.657557189077 36.5636092612252, 136.657450300184 36.5637240591782, 136.656789831537 36.5646139175111, 136.656379671275 36.5651405280169, 136.656337520674 36.5651392911834, 136.654523204843 36.5650852795991, 136.654511776403 36.5646746897078, 136.654490373316 36.5637790944783, 136.654440627584 36.5621336167732, 136.65443970171 36.5621085466359, 136.654459962252 36.5621068043657, 136.654997036445 36.5620613429453, 136.656441898489 36.5619183519181, 136.6571900055 36.5618407306931, 136.659407421472 36.5616772110116, 136.659817915546 36.5621947535213)) ^^http://www.opengis.net/ont/geosparql#wktLiteral