collaborators

11 papers

cs.AI2026

The Optimizer Is the Agent: Reasoning-Driven Search across Prompts, Programs, and ML Workflows

Junbo Li, Boyi Liu, Canwen Xu +5

Recent systems for optimizing prompts, programs, and ML workflows typically rely on explicit outer-loop controllers such as evolutionary search, bandits, or textual-gradient method…

cs.CL2026

Spider 2.0-AIFunc: Extending Real-World Text-to-SQL to AI-Native SQL Workflows

Tianyang Liu, Canwen Xu, Fangyu Lei +6

Major cloud data platforms now expose large language model capabilities as native SQL functions, enabling analysts to perform classification, filtering, sentiment analysis, extract…

cs.CL2026

Learning to Retrieve: Dual-Level Long-Term Memory for Text-to-SQL Agents

Yibo Wang, Nikki Lijing Kuang, Philip S. Yu +2

Interactive text-to-SQL agents solve database tasks through multi-turn interactions involving schema exploration, query execution, feedback interpretation, and decision revision. L…

cs.AI2026

Agent World Model: Infinity Synthetic Environments for Agentic Reinforcement Learning

Zhaoyang Wang, Canwen Xu, Boyi Liu +5

Recent advances in large language model (LLM) have empowered autonomous agents to perform multi-turn interactions with tools and environments. However, scaling such agent training…

cs.CL2026

Residual Skill Optimization for Text-to-SQL Ensembles

Jiongli Zhu, Haoquan Guan, Parjanya Prajakta Prashant +8

Text-to-SQL ensembles improve over single-candidate generation by drawing multiple SQL candidates and selecting one, but their effectiveness is bounded by Pass@K, the probability t…

cs.SE2026

R-SQL: Ranking Reward and Resampling for Text-to-SQL

Hojae Han, Yeonseok Jeong, Seung-won Hwang +2

Modern Text-to-SQL systems generate multiple candidate SQL queries and rank them to judge a final prediction. However, existing methods face two limitations. First, they often scor…