collaborators

19 papers

cs.AI2026

MemFail: Stress-Testing Failure Modes of LLM Memory Systems

Ishir Garg, Neel Kolhe, Dawn Song +1

Large language model (LLM) agents increasingly rely on external memory systems to remain consistent across long-horizon interactions, but little empirical work has been done to und…

cs.CL2026

InfoSynth: Information-Guided Benchmark Synthesis for LLMs

Ishir Garg, Neel Kolhe, Xuandong Zhao +1

Large language models (LLMs) have demonstrated significant advancements in reasoning and code generation, but efficiently creating new benchmarks to evaluate these capabilities rem…

cs.LG2026

Learning to Reason without External Rewards

Xuandong Zhao, Zhewei Kang, Aosong Feng +2

Training large language models (LLMs) for complex reasoning via Reinforcement Learning with Verifiable Rewards (RLVR) is effective but limited by reliance on costly, domain-specifi…

cs.CR2026

Position: LLM Watermarking Should Align Stakeholders' Incentives for Practical Adoption

Yepeng Liu, Xuandong Zhao, Dawn Song +2

Despite progress in watermarking algorithms for large language models (LLMs), real-world deployment remains limited. We argue that this gap stems from misaligned incentives among L…

cs.CL2026

In-Context Watermarks for Large Language Models

Yepeng Liu, Xuandong Zhao, Christopher Kruegel +2

The growing use of large language models (LLMs) for sensitive applications has highlighted the need for effective watermarking techniques to ensure the provenance and accountabilit…

cs.CL2026

AgentSynth: Scalable Task Generation for Generalist Computer-Use Agents

Jingxu Xie, Dylan Xu, Xuandong Zhao +1

We introduce AgentSynth, a scalable and cost-efficient pipeline for automatically synthesizing high-quality tasks and trajectory datasets for generalist computer-use agents. Levera…