メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.317702492948 31.83321942287, 130.318334286247 31.8348865471135, 130.318662929988 31.8356852976298, 130.318943889095 31.8363023535364, 130.319301202551 31.8372385126786, 130.31955644779 31.8379800028584, 130.317962389226 31.8383363835543, 130.317165208641 31.8387357793781, 130.316189200907 31.8395481669478, 130.316177109187 31.8395593053777, 130.315490237269 31.8388803813166, 130.31550517773 31.8388691879328, 130.313691201817 31.83706638785, 130.312369616133 31.8357529667637, 130.31288002364 31.8353912274799, 130.313869056993 31.8346838489089, 130.314928354647 31.8339261791306, 130.314960021771 31.8339128914261, 130.315368603467 31.8335959000448, 130.315419545242 31.8335598868983, 130.316033258764 31.8331261161741, 130.317347119422 31.8321973753187, 130.317702492948 31.83321942287)) ^^http://www.opengis.net/ont/geosparql#wktLiteral