メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.238589008584 36.6772390556731, 137.239831834681 36.6770598253592, 137.240008705778 36.6778682536589, 137.240199773245 36.6781613041543, 137.240542270756 36.678750879601, 137.24026949005 36.6789354374832, 137.239814785229 36.6791957928688, 137.239191436902 36.6795850911754, 137.239000762122 36.6797057400049, 137.238576959989 36.6800618210673, 137.238531498295 36.6800937430906, 137.238153151594 36.680408398381, 137.237682709474 36.6807928082099, 137.237645746088 36.6808247933353, 137.237290881702 36.6811417550308, 137.237238068985 36.6811678375495, 137.237161798699 36.6812198411082, 137.237026841499 36.6812908886071, 137.236715893815 36.6814896123416, 137.236560357873 36.6815346215901, 137.236601168747 36.6812131267658, 137.236649002483 36.6805641043143, 137.236715924835 36.6799092273253, 137.236726141495 36.6798489554313, 137.236806066447 36.6789801073913, 137.236877366906 36.6783074849397, 137.236941199 36.6774846908169, 137.237787845127 36.6773577441522, 137.238210442482 36.6773007449665, 137.238589008584 36.6772390556731)) ^^http://www.opengis.net/ont/geosparql#wktLiteral