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What is the main purpose of BLEU and ROUGE scores in evaluating generated text?

easy📝 Conceptual Q11 of 15
NLP - Text Generation
What is the main purpose of BLEU and ROUGE scores in evaluating generated text?
ATo measure how similar the generated text is to human-written text
BTo check the spelling errors in generated text
CTo count the number of words in the generated text
DTo translate text from one language to another
Step-by-Step Solution
Solution:

  1. Step 1: Understand the role of BLEU and ROUGE

    Both BLEU and ROUGE are metrics used to compare generated text with reference human text to check similarity.

  2. Step 2: Identify the main purpose

    They do not check spelling, count words, or translate text but measure similarity to human text.

  3. Final Answer:

    To measure how similar the generated text is to human-written text -> Option A

  4. Quick Check:

    BLEU and ROUGE measure similarity [OK]
Quick Trick: Remember: BLEU and ROUGE check similarity, not spelling or translation [OK]
Common Mistakes:
MISTAKES
  • Confusing BLEU/ROUGE with spell check
  • Thinking they count words only
  • Assuming they translate text

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