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| First Page | Document Content | |
|---|---|---|
 Date: 2015-03-28 17:43:06CAPTCHA Human-based computation Optical character recognition OCRopus Puzzle Software Computing Artificial intelligence |
| First Page | Document Content | |
|---|---|---|
Date: 2015-03-28 17:43:06CAPTCHA Human-based computation Optical character recognition OCRopus Puzzle Software Computing Artificial intelligence |
