2 papers
cs.AI2025
Shylock: Causal Discovery in Multivariate Time Series based on Hybrid Constraints
Shuo Li, Keqin Xu, Jie Liu +1
Causal relationship discovery has been drawing increasing attention due to its prevalent application. Existing methods rely on human experience, statistical methods, or graphical c…
cs.LG2025
Segment Policy Optimization: Effective Segment-Level Credit Assignment in RL for Large Language Models
Yiran Guo, Lijie Xu, Jie Liu +2
Enhancing the reasoning capabilities of large language models effectively using reinforcement learning (RL) remains a crucial challenge. Existing approaches primarily adopt two con…