メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.714629870279 40.1828678752604, 141.714049621325 40.183045864754, 141.713809794491 40.1831296470369, 141.713442485728 40.1832449547395, 141.71310486479 40.1833857365027, 141.712833916929 40.1835034920335, 141.712562559167 40.1835827092096, 141.712378674116 40.1836226840041, 141.7124756149 40.1838260372813, 141.711132923618 40.1841849939358, 141.709452545609 40.1846320919117, 141.709767195759 40.1842524360988, 141.710224339864 40.1836467802656, 141.710367038552 40.1833583153983, 141.710524122979 40.1829900548722, 141.710605308398 40.182683778363, 141.710641662622 40.1824653405275, 141.710654783576 40.1821595821083, 141.710622720656 40.1817862282569, 141.710651034279 40.1816057599529, 141.710691625764 40.1814526036152, 141.710771605741 40.1813161599645, 141.710555366248 40.1811871713395, 141.710448303401 40.1810730256508, 141.71079951424 40.1811043302641, 141.712410939149 40.1812567419669, 141.712167864156 40.1818982132997, 141.712485221896 40.1818154463379, 141.712631857091 40.181811112495, 141.712805880581 40.1818178445739, 141.713145034618 40.1817959672457, 141.713521097854 40.1817127507644, 141.713820457425 40.1818486827549, 141.714267571846 40.1820735035801, 141.714517574367 40.1822869455017, 141.714726200297 40.1825424998765, 141.71490974356 40.1827950261532, 141.714629870279 40.1828678752604)) ^^http://www.opengis.net/ont/geosparql#wktLiteral