LLD - Design — Library Management System
A search system returns no results for a common keyword. Which of the following is the most likely cause?
A search system returns no results for a common keyword. Which of the following is the most likely cause?
medium📝 Analysis Q6 of Q15
Step-by-Step Solution
Solution:
Step 1: Understand stop-word filtering
Common words like 'the', 'is' are often removed to reduce index size and noise.Step 2: Connect filtering to missing results
If a common keyword is filtered out, the system won't find matches for it, returning no results.Final Answer:
The keyword was removed during stop-word filtering -> Option BQuick Check:
No results for common word = stop-word filtering [OK]
Quick Trick: Stop-words are removed, causing no results for common words [OK]
Common Mistakes:
MISTAKES- Assuming index corruption without evidence
- Blaming ranking algorithm for no results
- Thinking tokenization failure always causes no results
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