メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.747203802928 43.2067085165679, 141.747292109993 43.2067553212493, 141.747654435127 43.2069473592896, 141.747377589599 43.2072282298989, 141.747133878894 43.2073902500792, 141.746427559736 43.2081721436656, 141.746273039831 43.2083431357608, 141.745856863122 43.2081348945124, 141.74562445954 43.2083765745898, 141.745129198671 43.2088915851721, 141.7449563657 43.208793771245, 141.744217094764 43.2083703039876, 141.744628228707 43.20789698108, 141.744522028061 43.2078397601086, 141.744751711238 43.2075842864481, 141.745085804592 43.2077538399663, 141.7451916482 43.2078075462756, 141.745198973309 43.2078112351197, 141.745310417845 43.2078679159179, 141.745447064566 43.207870486848, 141.745591959177 43.207864091027, 141.745674295371 43.2078361824792, 141.745780947997 43.207780177629, 141.745980706357 43.2075620559155, 141.746248677942 43.2072736220803, 141.746916050173 43.2065560480845, 141.747126120748 43.2066673154106, 141.747203802928 43.2067085165679)) ^^http://www.opengis.net/ont/geosparql#wktLiteral