メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.820831085047 35.3162301497101, 136.820877951141 35.3163638072739, 136.821020390831 35.3167612631871, 136.820430329029 35.316919018652, 136.819830122374 35.3170624465453, 136.819250950584 35.3172243831357, 136.819074519606 35.3167347826921, 136.819011083948 35.3165733993915, 136.818430515324 35.3167257494296, 136.818063186644 35.3157891105745, 136.819227737923 35.3154855473188, 136.819741539083 35.3153636367013, 136.820050368444 35.3152862794078, 136.820404150138 35.3151430626611, 136.820585144475 35.3154933757869, 136.820831085047 35.3162301497101)) ^^http://www.opengis.net/ont/geosparql#wktLiteral