メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.721181702363 35.3983007113464, 136.721202726558 35.3988423177788, 136.721228595126 35.3995512597198, 136.7212590175 35.40070844132, 136.720786852779 35.4006235335151, 136.720017645689 35.4004978786392, 136.719670567014 35.4009924907616, 136.719510024404 35.4012145636847, 136.719119244895 35.4009453799659, 136.718987495165 35.4008505285679, 136.718853963913 35.4003068150868, 136.718700163257 35.3997430977971, 136.718661522087 35.3995921149382, 136.718444143452 35.3989161928004, 136.718253215976 35.39822445474, 136.7178967065 35.3971116941551, 136.718750390809 35.397092961983, 136.718800236262 35.3970989913131, 136.719530979103 35.3970812768863, 136.720248238607 35.3970602686598, 136.721165999944 35.3970396442501, 136.721181702363 35.3983007113464)) ^^http://www.opengis.net/ont/geosparql#wktLiteral