メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.143447938695 34.6542848719032, 135.14348636021 34.6543094070983, 135.143705914195 34.6544499299182, 135.144186219543 34.6547599982529, 135.143946308617 34.6550147152583, 135.143449278593 34.6555424363399, 135.143366915343 34.6554866415189, 135.143042883681 34.6552780747561, 135.142921928457 34.6551980266956, 135.142780295169 34.6551042403259, 135.142710907143 34.655058291352, 135.14249685027 34.6549222376474, 135.1426994346 34.6547203093415, 135.14282084062 34.6545842791746, 135.143242084922 34.6541510186116, 135.143447938695 34.6542848719032)) ^^http://www.opengis.net/ont/geosparql#wktLiteral