メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.694583854188 35.3227953264633, 136.694633176045 35.3230762280162, 136.694635513177 35.3231027164259, 136.693996064255 35.323179663028, 136.693958757122 35.3228281738093, 136.692953904622 35.3229565078766, 136.693037896952 35.322809579884, 136.693490493321 35.3220770406785, 136.694192282316 35.3209210954382, 136.694254099733 35.320826123276, 136.694355781094 35.3213449076793, 136.694394389535 35.3216058369872, 136.694524218698 35.3224485394096, 136.694583854188 35.3227953264633)) ^^http://www.opengis.net/ont/geosparql#wktLiteral