メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.307114636536 43.0723819369418, 141.307416993556 43.072739940962, 141.307459299492 43.0727900125787, 141.307477449197 43.072811507871, 141.307493501579 43.0728305211088, 141.307747687768 43.0730770081764, 141.307807872578 43.0731284682795, 141.308035552835 43.0733231381843, 141.307477689648 43.0736431827178, 141.307448171898 43.0736600291652, 141.307095487723 43.0738623434642, 141.306866661857 43.0739936149004, 141.306312684164 43.0743114108758, 141.306293327036 43.0743225038564, 141.30598887222 43.0745068184679, 141.30580256998 43.0746196034715, 141.305205579952 43.0749808793088, 141.304901131046 43.0747029556988, 141.304708794141 43.0745273733932, 141.304652880943 43.0744763448599, 141.304519406128 43.0743535030229, 141.304166181934 43.0740286884545, 141.303641560323 43.0735459727153, 141.304151668887 43.0731634520968, 141.304213899955 43.0731154406591, 141.304634129535 43.072788014947, 141.304825853633 43.0726473241554, 141.305046396341 43.0724853704086, 141.305309044322 43.0722924950493, 141.305336696062 43.0722722579553, 141.305997548579 43.0719672094963, 141.306058515937 43.0719388778169, 141.306545952293 43.0717129219712, 141.307114636536 43.0723819369418)) ^^http://www.opengis.net/ont/geosparql#wktLiteral