collaborators

8 papers

cs.AI2026

ELT-Bench-Verified: Benchmark Quality Issues Underestimate AI Agent Capabilities

Christopher Zanoli, Andrea Giovannini, Tengjun Jin +2

Constructing Extract-Load-Transform (ELT) pipelines is a labor-intensive data engineering task and a high-impact target for AI automation. On ELT-Bench, the first benchmark for end…

cs.DB2026

Human-Level Text-to-SQL via Reinforcement Learning on Verified Data, Without Pipeline Engineering

Yuxuan Zhu, Tengjun Jin, Yoojin Choi +1

Translating natural language questions to SQL queries (Text-to-SQL) is a long-standing problem in database research. Recent efforts have focused on improving accuracy by building i…

cs.DB2026

Accelerating Approximate Analytical Join Queries over Unstructured Data with Statistical Guarantees

Yuxuan Zhu, Tengjun Jin, Chenghao Mo +1

Analytical join queries over unstructured data are increasingly prevalent in data analytics. Applying machine learning (ML) models to label every pair in the cross product of table…

cs.AI2026

Pervasive Annotation Errors Break Text-to-SQL Benchmarks and Leaderboards

Tengjun Jin, Yoojin Choi, Yuxuan Zhu +1

Researchers have proposed numerous text-to-SQL techniques to streamline data analytics and accelerate the development of data-driven applications. To compare these techniques and s…

cs.AI2025

Holistic Agent Leaderboard: The Missing Infrastructure for AI Agent Evaluation

Sayash Kapoor, Benedikt Stroebl, Peter Kirgis +28

AI agents have been developed for complex real-world tasks from coding to customer service. But AI agent evaluations suffer from many challenges that undermine our understanding of…

cs.AI2025

Establishing Best Practices for Building Rigorous Agentic Benchmarks

Yuxuan Zhu, Tengjun Jin, Yada Pruksachatkun +22

Benchmarks are essential for quantitatively tracking progress in AI. As AI agents become increasingly capable, researchers and practitioners have introduced agentic benchmarks to e…