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This CAPTCHA (reCAPTCHA v1) of "smwm" obscures its message from computer interpretation by twisting the letters and adding a slight background color gradient.A CAPTCHA (/ ˈ k æ p. tʃ ə / KAP-chə) is a type of challenge–response test used in computing to determine whether the user is human in order to deter bot attacks and spam.
reCAPTCHA Inc. [1] is a CAPTCHA system owned by Google.It enables web hosts to distinguish between human and automated access to websites. The original version asked users to decipher hard-to-read text or match images.
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To prevent the automated creation of Wikipedia accounts using bots or scripts, Wikipedia uses an image verification method (called a CAPTCHA) to assure that new accounts are being created by a real person. To further combat account creation abuse, Wikipedia also prevents the creation of new accounts with usernames that are too similar to other ...
More details, # including usage, may be found at [[mediawikiwiki:Extension:ConfirmEdit]] # # The Sites and URLs contained in this list may be entered by unregistered # users without having to enter a CAPTCHA. These may be known good sites # such as Wikipedia or other sites under the WMF umbrella.
He is well known for work on the Isomap embedding algorithm, CAPTCHA challenges, Cover Trees for nearest neighbor search, Contextual Bandits (which he coined [2]) for reinforcement learning applications, [3] and learning reductions. [4] John is the author of the blog hunch.net and the principal developer of Vowpal Wabbit.
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If they just want to upload an image, they can make a request at Files for upload for non-free images or use the same username and password to upload free images at Wikimedia Commons; If they just want to change the name of an article, they can file a requested move; That being said, acceptable means for granting confirmed early may include: