Unverified50% confidenceSolutionExact time
Placing key information at the beginning and end of the input can mitigate the impact of the 'lost in the middle' effect on results.
1
Sources
50%
Confidence
Long-term
Relevance
9/9/2026
First Seen
Sources
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Related Claims
UnverifiedWhen key information is placed in the middle of a long text, the model's retrieval and reasoning accuracy drops significantly, while information placed at the beginning or end can be utilized more effectively.77% similarUnverifiedDue to the existence of positional encoding, content at the beginning and end of a prompt tends to receive more attention than content in the middle.72% similarUnverifiedLLMs exhibit Positional Bias, tending to focus more on the beginning and end of the input sequence, with information in the middle easily being forgotten.70% similarUnverifiedThe trimming strategy will lose important context in scenarios where early critical information needs to be referenced.70% similarPartially VerifiedAcademia refers to the phenomenon in which large models tend to focus on the beginning and end of input text while overlooking key information in the middle as the 'Lost in the Middle' problem.68% similar
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