メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.18104456642 33.9724474273571, 131.180939629572 33.9730568377299, 131.180990082635 33.9734757675888, 131.181043012673 33.9739950160001, 131.181045564534 33.9741108322793, 131.181074896305 33.9742430623184, 131.181131763148 33.9743335338305, 131.181230520159 33.9744791388921, 131.18139849706 33.9746412158805, 131.181444079152 33.9747059581071, 131.181450743252 33.9748025082682, 131.181450245751 33.9750067657859, 131.181449751732 33.9753864075257, 131.180814876264 33.9754623267372, 131.179583087612 33.975577128316, 131.178885134856 33.975638726117, 131.17878280941 33.9747280240873, 131.178766515674 33.9746676008966, 131.178641495017 33.9736945929989, 131.178623128255 33.9736964182611, 131.178562034411 33.9733871403932, 131.178391170018 33.972701139629, 131.178248260178 33.9719887387167, 131.17820963933 33.9718341755067, 131.179002610289 33.9717410832283, 131.179373483246 33.9717051770577, 131.179573777838 33.9716890335481, 131.179630601812 33.9716879392303, 131.180202528748 33.9716212421903, 131.180547830898 33.9715886491538, 131.181084808896 33.9715467425937, 131.181085799944 33.9718270821166, 131.181073044508 33.9721922575597, 131.18104456642 33.9724474273571)) ^^http://www.opengis.net/ont/geosparql#wktLiteral