2 papers
cs.LG2026
Watch the Model Think: On-Policy Extraction of Activation Steering Vectors
Xuanbo Su, Hao Luo, Yingfang Zhang +4
When a model solves a problem on one attempt and fails it on the next, what separates the two is rarely the final answer token; it is the trajectory that reached it. Contrastive ac…
cs.CL2026
Mistake Notebook Learning: Batch-Clustered Failures for Training-Free Agent Adaptation
Xuanbo Su, Yingfang Zhang, Hao Luo +2
With the growing adoption of Large Language Model (LLM) agents in persistent, real-world roles, they naturally encounter continuous streams of tasks and inevitable failures. A key…