Episode
MiA-Signature: Approximating Global Activation for Long-Context Understanding
- Podcast
- Daily Paper Cast
- Published
- May 9, 2026
- Duration seconds
- 710
- Processing state
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- https://share.transistor.fm/s/4af916c3
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Summary
🤗 Upvotes: 41 | cs.CL Authors: Yuqing Li, Jiangnan Li, Mo Yu, Zheng Lin, Weiping Wang, Jie Zhou Title: MiA-Signature: Approximating Global Activation for Long-Context Understanding Arxiv: http://arxiv.org/abs/2605.06416v1 Abstract: A growing body of work in cognitive science suggests that reportable conscious access is associated with \emph{global ignition} over distributed memory systems, while such activation is only partially accessible as individuals cannot directly access or enumerate all activated contents. This tension suggests a plausible mechanism that cognition may rely on a compact representation that approximates the global influence of activation on downstream processing. Inspired by this idea, we introduce the concept of \textbf{Mindscape Activation Signature (MiA-Signature)}, a compressed representation of the global activation pattern induced by a query. In LLM systems, this is instantiated via submodular-based selection of high-level concepts that cover the activated context space, optionally refined through lightweight iterative updates using working memory. The resulting MiA-Signature serves as a conditioning signal that approximates the effect of the full activation state while remaining computationally tractable. Integrating MiA-Signatures into both RAG and agentic systems yields consistent performance gains across multiple long-context understanding tasks.