メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.765294721409 42.1726369418439, 142.764225957889 42.173446422874, 142.763103474796 42.1719858075979, 142.76257310015 42.171776866081, 142.762666264047 42.1714336093748, 142.762925775503 42.1704775036208, 142.764168405586 42.1692654686933, 142.764176896317 42.1692572707426, 142.764619372079 42.1690230276458, 142.765794326637 42.1680671788018, 142.765473815065 42.1677212717176, 142.765469106837 42.1676012913816, 142.765460605037 42.1673866484454, 142.765458576766 42.167334746136, 142.765510441297 42.1672939974027, 142.766373245356 42.1678812744817, 142.767112789278 42.1683845485459, 142.767239199348 42.1684704999614, 142.768479047473 42.1693143568014, 142.768602453422 42.1694025714506, 142.768585787227 42.1694227643618, 142.768317113118 42.1698415200126, 142.768334271864 42.1698701419127, 142.768398375499 42.1699795853404, 142.768044541341 42.1705194287757, 142.76791914394 42.1708023427424, 142.767796252242 42.1710794766113, 142.767398674894 42.1718520628695, 142.767360462225 42.1719379098915, 142.767122124133 42.1718046302127, 142.767144778413 42.1717648555895, 142.76719640296 42.17160143225, 142.766891944414 42.1713777085562, 142.766344323218 42.1710198799981, 142.766179850961 42.1711670677323, 142.765705906355 42.1715912389152, 142.766207315428 42.1719176245372, 142.76595056789 42.172119951716, 142.765765279428 42.1722661065996, 142.765502002688 42.1724738074264, 142.765305764003 42.1726284514806, 142.765294721409 42.1726369418439)) ^^http://www.opengis.net/ont/geosparql#wktLiteral