メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.88874267116 35.2324463036557, 136.888763789824 35.233420181232, 136.887970220081 35.2334367997987, 136.887163014264 35.233437326142, 136.886690634878 35.2334387648669, 136.886696725688 35.2330300362681, 136.886684476401 35.2324580904655, 136.886682467113 35.2314934124472, 136.88665303166 35.2295369539257, 136.886641762743 35.2293642465701, 136.886849436123 35.2294472667234, 136.887174382084 35.2295772490993, 136.887646234307 35.2297659529232, 136.888314555244 35.2300656748528, 136.88871606358 35.2302457610696, 136.88874267116 35.2324463036557)) ^^http://www.opengis.net/ont/geosparql#wktLiteral