メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.689235257484 42.670858397677, 141.69133535369 42.6715904577896, 141.691464998771 42.6716356480718, 141.691877324119 42.671768336743, 141.691441519187 42.6724829190826, 141.691391123385 42.6725701686083, 141.691126035631 42.673023092589, 141.690996176016 42.6732449589115, 141.69082711112 42.6735338087978, 141.690775819842 42.6736041734795, 141.690637476566 42.6737939634286, 141.690586592139 42.6738467206009, 141.69021735917 42.6742295290093, 141.690181098464 42.6742178175243, 141.690095646213 42.674286889647, 141.689710527924 42.6745978532365, 141.689647205555 42.6746490285969, 141.689410718149 42.6748398846086, 141.689352852265 42.6748775697501, 141.688730641795 42.6752827647785, 141.688170438809 42.6756475742475, 141.687917284719 42.6758085147572, 141.686533150248 42.6747102464512, 141.686308855114 42.6745578951082, 141.686256466271 42.6745223096446, 141.686062277901 42.6744097207821, 141.685853426969 42.6742997584313, 141.68545613816 42.6741175277905, 141.68498903754 42.6739032717473, 141.684805193072 42.6738202374072, 141.684956098135 42.6735812506757, 141.685322527464 42.6729842318908, 141.68537883136 42.672892511893, 141.685751447856 42.672285254477, 141.685773503311 42.6722493520184, 141.686205657525 42.6715452445316, 141.686921000591 42.6703796966963, 141.687072195968 42.6701333369526, 141.689235257484 42.670858397677)) ^^http://www.opengis.net/ont/geosparql#wktLiteral