. . . "CAPTCHA (Challenge-response test)" . . . . "17001362"^^ . . . . . "http://commons.wikimedia.org/wiki/Special:FilePath/Captcha.svg" . . . "Captcha"@fr . . "Completely Automated Public Turing Test to Tell Computers and Humans Apart"@fr . . . . "2015-10-29" . "2018-12-07" . .