メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.181921804191 34.2293222399737, 135.182191695521 34.2294919589407, 135.181515292387 34.2302434852659, 135.181468412248 34.2302157021984, 135.181140951531 34.2305632918435, 135.181073308474 34.2305341022058, 135.180893960139 34.2304545794455, 135.180612744875 34.2303247888393, 135.180817585709 34.2300562534536, 135.180843647463 34.2300709375596, 135.181572531249 34.2293383600421, 135.181726414451 34.2291828825059, 135.181921804191 34.2293222399737)) ^^http://www.opengis.net/ont/geosparql#wktLiteral