Human-based computation - Document - PDFSEARCH.IO

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Date: 2008-09-21 07:25:02 Artificial intelligence ReCAPTCHA CAPTCHA Luis von Ahn Optical character recognition Challenge-response authentication Turing test Human-based computation Computing World Wide Web		Add to Reading List Source URL: www.cs.cmu.edu Download Document from Source Website File Size: 149,78 KB Share Document on Facebook