メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.706196454111 34.4908191681831, 136.706403887217 34.4908806515177, 136.707168354278 34.4910577992064, 136.707553554639 34.4911323382047, 136.708306702437 34.4911129053611, 136.708368236776 34.4911118448009, 136.708403491157 34.4911112177433, 136.708672731853 34.4914037699158, 136.707826048138 34.4926461144834, 136.707655764214 34.4928883908898, 136.707197467822 34.4932183964222, 136.707053722849 34.4933152923654, 136.706547679442 34.4935775364058, 136.705715163425 34.4939818161631, 136.705613962625 34.4938139338018, 136.705161342317 34.4930001311756, 136.704934997698 34.4926237960291, 136.705686948491 34.4923956360123, 136.705655231578 34.4923266574983, 136.705298354339 34.4915525889886, 136.7052778393 34.4915003081291, 136.704997159798 34.4908139762161, 136.704569318215 34.4898995972269, 136.704701670905 34.4898439001586, 136.704943562792 34.490047735424, 136.70541417112 34.4904509742106, 136.705813084378 34.4906891159676, 136.706196454111 34.4908191681831)) ^^http://www.opengis.net/ont/geosparql#wktLiteral