Open AccessA Review of Bot Protection using CAPTCHA for Web Security
Author(s) -
Scholar Lovely,
Luis von Ahn,
Manuel Blum,
Nicholas J. Hooper,
John Langford
Publication year - 2013
Publication title -
iosr journal of computer engineering
Language(s) - English
Resource type - Journals
eISSN - 2278-8727
pISSN - 2278-0661
DOI - 10.9790/0661-0863642
Subject(s) - captcha , computer science , computer security , world wide web