[KongchangAI]
Unverified50% confidenceFactExact time

The attention sink phenomenon was systematically described by Xiao et al. from MIT in the 2023 StreamingLLM paper: Transformers allocate a large proportion of attention weights to the 1st–4th tokens at the beginning of the sequence.

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50%
Confidence
Long-term
Relevance
8/31/2026
First Seen

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