メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.253669744121 35.2541858829664, 136.252874516997 35.2531448192359, 136.252200349718 35.2522329671962, 136.252535746766 35.2520734589288, 136.252789317045 35.2524841359857, 136.253000882796 35.2527830660115, 136.253146648181 35.2530009344732, 136.253349786901 35.2528879707517, 136.253650853186 35.2527244470508, 136.253959184112 35.252536892476, 136.254265096714 35.2523593428429, 136.254563666536 35.2521877935751, 136.255389219316 35.2529236718509, 136.255701014565 35.2532121720229, 136.254762045662 35.2537697146349, 136.254642893532 35.2536001800153, 136.253681168668 35.2541255781799, 136.253669744121 35.2541858829664)) ^^http://www.opengis.net/ont/geosparql#wktLiteral