メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.110938920725 43.830313232482, 144.109933034418 43.8306401371159, 144.109805794227 43.8304278241701, 144.107667547432 43.8310637253605, 144.107404352243 43.8306082952515, 144.107384846228 43.8305744731866, 144.107351179669 43.8305162515052, 144.107079763001 43.8300462217939, 144.10810489137 43.8297319144352, 144.108112972351 43.829729409374, 144.109188507262 43.8293996109427, 144.111292567365 43.8287538125797, 144.111935866873 43.8285627775699, 144.111946454846 43.8286845912674, 144.112005177138 43.8289423038526, 144.112060269466 43.8291645292934, 144.112054019515 43.8299502397199, 144.110938920725 43.830313232482)) ^^http://www.opengis.net/ont/geosparql#wktLiteral