メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.7884875584 35.2615099412215, 136.787979842805 35.2615224438277, 136.787981013333 35.2608166967181, 136.787996148647 35.2604199421631, 136.788014514438 35.2591780591982, 136.787875617456 35.2587438930819, 136.787881596266 35.2586956723887, 136.788747582217 35.258848393052, 136.789118003534 35.2589163159606, 136.789077669404 35.2591961877047, 136.789824820352 35.2591682470695, 136.789901972756 35.2591665162841, 136.789964356789 35.2591650213776, 136.790138713301 35.2591609895128, 136.790097716569 35.260631485454, 136.790153265557 35.2614689065778, 136.7884875584 35.2615099412215)) ^^http://www.opengis.net/ont/geosparql#wktLiteral