The answer
Rejected samples can reveal unintended losses, such as valid code, minority-language text, or informal conversation. Reviewing them helps detect filters that narrow useful coverage.
Why must raw internet data be cleaned before training an AI model?
Why inspect data rejected by filters?
More FAQs in Why must raw internet data be cleaned before training an AI model?
No. Deduplication can reduce repeated exposure, but a model may still memorize some unique or sensitive passages. Other data and evaluation controls remain relevant.
No. Many false statements look structurally identical to accurate ones. Cleaning improves dataset properties but does not provide comprehensive fact-checking of every retained passage.
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