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Wei Wu

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Preprint Aug 2026

Learning Preference Adaptation for Large Language Model Personalization via Verbal Reinforcement Learning

An extended faithfulness analysis shows that the refined profiles remain largely grounded in the source preferences while preserving task-relevant personalization signals, suggesting that profile-side adaptation serves as a practical complement to universal memory construction for lifelong personalized agents.

Yuting Liu, Wei Wu, Jianzhe Zhao et al. · 0 citations
#artificial intelligence Review Sep 2026

BENCHCOMPASS: From Scores to Signals for Training and Harness Decisions in Payment-Domain LLMs

BENCHCOMPASS is introduced, a payment-domain benchmark whose construction pipeline builds scenario-grounded tasks from typed evidence packs, applies LLM-based quality checks, creates task-input attack variants, and reserves final item admission for domain experts.

Si-Jie Dong, Wei-Feng Ren, Xuan-Wei Hu et al. · 0 citations

MemForest: An Efficient Agent Memory System with Hierarchical Temporal Indexing

Results show that MemForest reduces memory-freshness latency while retaining strong answer quality, and introduces MemTree, a hierarchical temporal index that organizes memory as time-ordered trees and replaces global rewrites with localized dirty-path refresh.

Han-Jie Chen, Zi-Ning Zhang, Wenqi Pei et al. · 4 citations
Preprint Aug 2026

Diagnosis Before Recovery: Turning Agent Failures into Selective Self-Correction

DARC is proposed, a diagnosis-guided recovery harness that profiles task-family failure modes, prunes mismatched interventions from a shared recovery library, and freezes a verifier-selected success-cost policy for deployment, providing a practical route toward more reliable agents in domains where compiler-like feedba...

Pan Wang, Yihao Hu, Hang Wang et al. · 2 citations

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