Authors

Mingjia Shi

Publications 2

Preprint Open access

Adapting Context Compression for Long-Horizon Agents with Counterfactual Continuations

Guanghui Min, Liang Wu, Mingjia Shi et al. · 2026

Long-horizon agents require context compression to manage growing interaction histories. Compression quality, however, is ultimately determined by downstream execution. Existing prompt-adaptation methods infer compression errors by comparing full-context and compressed trajectories. Such comparisons cannot isolate indi …

Preprint Open access

Grounding Memory Summarization in Utility Intent

Zhenyu Lei, Mingjia Shi, Xingbo Fu et al. · 2026

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 …

Co-authors

Guanghui Min Liang Wu Yinhan He Mayank Darbari Liangjie Hong Chen Chen Zhenyu Lei Xingbo Fu Haoyu He Qi R. Wang Jundong Li