メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.280021843526 38.4505619763472, 141.28002953572 38.4505827813476, 141.280122853081 38.4510189613898, 141.280264530809 38.4516406349568, 141.280400581357 38.4522638775335, 141.280635322388 38.4531482992595, 141.280241444536 38.4533754577388, 141.27989931174 38.4535827106958, 141.279552617306 38.4537829409721, 141.27922404517 38.4539762037253, 141.278872847799 38.4541799691047, 141.278853586134 38.4541920076767, 141.278550996309 38.4543819318642, 141.278186356847 38.4537751807727, 141.278033744881 38.4535137831575, 141.27766280223 38.4529069135283, 141.276949659544 38.4516992526793, 141.276864666992 38.4515378269747, 141.276692023312 38.4512566242855, 141.276444486772 38.4508534319205, 141.276860394769 38.4507452953555, 141.277886524576 38.4505287030871, 141.278545815929 38.4503866966118, 141.279260862579 38.450222232897, 141.279918781753 38.4500837430427, 141.280021843526 38.4505619763472)) ^^http://www.opengis.net/ont/geosparql#wktLiteral