メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.919862305899 35.3371051427808, 136.919845002589 35.3371935271208, 136.91936518156 35.3396058606417, 136.919040807739 35.3413644782007, 136.918865451108 35.3412599972153, 136.917790878553 35.3403926037039, 136.91743758174 35.3400274564025, 136.917182757326 35.3397117894896, 136.917030998338 35.3394750472658, 136.917014569864 35.339451356347, 136.916480335097 35.3384492498655, 136.916313228468 35.3381253725471, 136.916085299413 35.3376269622774, 136.915723377038 35.3367786837734, 136.915866563879 35.3367551043505, 136.917227768305 35.33669486811, 136.917265301542 35.3367662722854, 136.917388648781 35.3370783566815, 136.917453430079 35.3371181425335, 136.918011847041 35.3371479517592, 136.918416059532 35.3371696630954, 136.918520313893 35.3371752624911, 136.918945977167 35.3371950411282, 136.919251642349 35.3372051703341, 136.919563703629 35.3372025733231, 136.919862305899 35.3371051427808)) ^^http://www.opengis.net/ont/geosparql#wktLiteral