メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.304423393176 43.0471503156251, 141.304402783787 43.0472059872986, 141.304381459513 43.0473581431674, 141.304325613833 43.0475914559568, 141.304231680033 43.0480194056174, 141.30411034159 43.0485769562762, 141.304016845442 43.0490449263585, 141.30390894398 43.0495639767425, 141.303888837899 43.0499924659662, 141.302333833565 43.0498323309906, 141.301130715163 43.0497011856666, 141.300868678771 43.0497103356522, 141.300890236836 43.04937567838, 141.300894990368 43.0493534933997, 141.301017414187 43.0493557742968, 141.301109741164 43.0493509135154, 141.301361584585 43.049312351395, 141.301474584089 43.049173192673, 141.30191922888 43.0488075096204, 141.302077098088 43.0486563440414, 141.302158727817 43.0485552539472, 141.302232178823 43.0484870095802, 141.302310703029 43.0483882855108, 141.302385949726 43.0483030365129, 141.302450580586 43.0482470977698, 141.302492739478 43.0481683263348, 141.30252459558 43.0480986130366, 141.302581404709 43.0480087804193, 141.302613113831 43.0479547493566, 141.302648245534 43.0478714888447, 141.30271150449 43.0477613143512, 141.302750114865 43.047657688304, 141.302767323809 43.0475426315762, 141.302775163109 43.0474319983559, 141.302780108359 43.0473100183216, 141.302765413824 43.0471619244479, 141.302773913002 43.0470083962016, 141.302762788129 43.0469336855995, 141.302763934919 43.0468591458737, 141.302732404472 43.0468081075904, 141.302894250501 43.0467969286235, 141.303304371761 43.0467664934482, 141.303777487281 43.0467490257262, 141.304522143887 43.0467019400726, 141.304423393176 43.0471503156251)) ^^http://www.opengis.net/ont/geosparql#wktLiteral