Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
CAPTCHA
|
| gptkbp:alternativeTo |
gptkb:audio_CAPTCHA
gptkb:image-based_CAPTCHA |
| gptkbp:category |
computer security
human-computer interaction |
| gptkbp:commonChallenge |
distorted text recognition
|
| gptkbp:difficulty |
older adults
people with visual impairments people with dyslexia |
| https://www.w3.org/2000/01/rdf-schema#label |
text-based CAPTCHA
|
| gptkbp:input |
gptkb:text
|
| gptkbp:introducedIn |
early 2000s
|
| gptkbp:replacedBy |
gptkb:reCAPTCHA
gptkb:invisible_CAPTCHA |
| gptkbp:requires |
user to type characters
|
| gptkbp:usedBy |
websites
online services |
| gptkbp:usedFor |
distinguishing humans from bots
|
| gptkbp:vulnerableTo |
optical character recognition
|
| gptkbp:bfsParent |
gptkb:CAPTCHA
|
| gptkbp:bfsLayer |
4
|