collaborators

8 papers

cs.AI2026

BIRD-History: A Benchmark for History-Driven Text-to-SQL with Fine-Grained Knowledge Annotations

Yunfan Zhou, Qiming Shi, Yizhou Yang +2

While recent Large Language Model (LLM)-based text-to-SQL systems achieve impressive performance on standard benchmarks, they struggle when user queries implicitly rely on domain-s…

cs.AI2026

Bidirectional Context Self-Distillation for Reinforcement Learning of Skill-Based LLM Agents

Tianjun Pan, Yuan Li, Hongda Wang +8

External natural-language skills provide large language model (LLM) agents with reusable and editable guidance for solving complex tasks. Yet their effectiveness depends not only o…

cs.LG2026

POEM: Phase-Aware Feature Rotation for Time Series Forecasting Under Periodicity Drift

Jiawen Zhu, Shuhan Liu, Shengxuan Li +2

Deep learning has advanced time series forecasting, but periodicity drift, in which cycle timing and phase vary over time, remains a challenging problem. Existing methods predomina…

cs.AI2026

MerchantBench: Benchmarking LLM Agents for Long-Term Coherence in E-Commerce Operations

Qiming Shi, Yulong Tao, Linbo Jin +10

Large language model agents are increasingly evaluated as autonomous tool users, yet most benchmarks focus on bounded tasks with immediate success criteria. Real-world deployments…

cs.AI2026

SKILL-KD: Contrastive Skill Distillation for LLM Agents

Qiming Shi, Yibo Dou, Jiawen Zhu +5

Skill-based prompting has become a practical mechanism for improving large language model (LLM) agents, yet existing skill acquisition methods often treat skills as experience summ…

cs.AI2026

Beyond Solution-Centric Search: Adaptive Inquiry and Knowledge Revision for Autonomous ML Engineering

Shaokang Fu, Yulong Tao, Linbo Jin +7

Long-horizon autonomous research tasks such as machine learning engineering require systems to make interdependent decisions under a limited budget. Existing LLM-based agents typic…