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Mingjia Shi

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#artificial intelligence Preprint Sep 2026

Adapting Context Compression for Long-Horizon Agents with Counterfactual Continuations

It is found that compression degrades reliability before solvability and proposed PAIR (Prompt Adaptation using Interventional Rollouts) for adapting structured compression prompts achieves the strongest cross-run reliability among compressed methods in every main benchmark-scope combination.

Guang-Hui Min, Liang Wu, Ming-Jia Shi et al. · 0 citations
#natural language process... Preprint Sep 2026

Grounding Memory Summarization in Utility Intent

Existing summarizers for memory systems are typically optimized for human-facing criteria such as faithfulness, which misaligns with their true objective: preserving the evidence needed to support future queries. We show that conditioning summarization on query-answer pairs substantially improves answer quality, and th...

Zhen-Yu Lei, Ming-Jia Shi, Xing-Bo Fu et al. · 0 citations
Jul 2026

Dive Into the Implicit Biases of Low-rank Vision-language Alignment

This work systematically characterize the implicit biases introduced by low-rank adaptation during alignment and establishes two theorems showing that low-rank alignment induces preferences for parameter subspaces with flat gradients and feature subspaces robust to perturbations, providing a principled explanation for...

Mingjia Shi, Shuo Wang, Xiaobo Wang et al. · 0 citations

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