collaborators

9 papers

cs.CV2025

Learning from Online Videos at Inference Time for Computer-Use Agents

Yujian Liu, Ze Wang, Hao Chen +7

Computer-use agents can operate computers and automate laborious tasks, but despite recent rapid progress, they still lag behind human users, especially when tasks require domain-s…

cs.CL2025

DEEPAMBIGQA: Ambiguous Multi-hop Questions for Benchmarking LLM Answer Completeness

Jiabao Ji, Min Li, Priyanshu Kumar +2

Large language models (LLMs) with integrated search tools show strong promise in open-domain question answering (QA), yet they often struggle to produce complete answer set to comp…

cs.SE2025

HarnessLLM: Automatic Testing Harness Generation via Reinforcement Learning

Yujian Liu, Jiabao Ji, Yang Zhang +3

Existing LLM-based automatic test generation methods mainly produce input and expected output pairs to categorize the intended behavior of correct programs. Although straightforwar…

cs.CR2025

A Reinforcement Learning Framework for Robust and Secure LLM Watermarking

Li An, Yujian Liu, Yepeng Liu +3

Watermarking has emerged as a promising solution for tracing and authenticating text generated by large language models (LLMs). A common approach to LLM watermarking is to construc…

cs.AI2025

Rethinking the Text-Vision Reasoning Imbalance in MLLMs through the Lens of Training Recipes

Guanyu Yao, Qiucheng Wu, Yang Zhang +3

Multimodal large language models (MLLMs) have demonstrated strong capabilities on vision-and-language tasks. However, recent findings reveal an imbalance in their reasoning capabil…

cs.RO2025

Collision- and Reachability-Aware Multi-Robot Control with Grounded LLM Planners

Jiabao Ji, Yongchao Chen, Yang Zhang +4

Large language models (LLMs) have demonstrated strong performance in various robot control tasks. However, their deployment in real-world applications remains constrained. Even sta…