メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.331186899081 43.0345550083705, 141.331155585452 43.034571776693, 141.331125425066 43.0345948135496, 141.331127328211 43.0345958136781, 141.330110297871 43.0353152810688, 141.329643392108 43.0356230908697, 141.329485410921 43.0357243617088, 141.329122192969 43.0359197006845, 141.328844933027 43.035681863679, 141.328290071498 43.0352552042546, 141.327324905278 43.0345900497366, 141.326564877657 43.0340560211869, 141.326302114332 43.0338564133631, 141.327060027568 43.0331497298283, 141.328357611894 43.0318125868639, 141.328382614028 43.0318267138218, 141.329830212133 43.0326618583991, 141.329611712173 43.0328487281169, 141.330060413572 43.0330777436135, 141.330339225334 43.0332432910384, 141.330389849567 43.0332044541637, 141.330909752697 43.0332946443823, 141.330975167679 43.0333053674451, 141.331347681055 43.0333209467882, 141.331646663493 43.0333235568088, 141.331978976891 43.0333412034389, 141.332148034574 43.0333450916503, 141.332726002816 43.0334763899494, 141.331186899081 43.0345550083705)) ^^http://www.opengis.net/ont/geosparql#wktLiteral