メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.142780295169 34.6551042403259, 135.142921928457 34.6551980266956, 135.143042883681 34.6552780747561, 135.143366915343 34.6554866415189, 135.143053546246 34.6557952315584, 135.142664229886 34.6561471463306, 135.142236418295 34.6559065884829, 135.142120427444 34.6558398495482, 135.142038942317 34.6557929609879, 135.141808609116 34.6556660290849, 135.14249685027 34.6549222376474, 135.142710907143 34.655058291352, 135.142780295169 34.6551042403259)) ^^http://www.opengis.net/ont/geosparql#wktLiteral