Liu, Jiexi

4 publications

ICLR 2026 Inverse Reinforcement Learning with Dynamic Reward Scaling for LLM Alignment Ruoxi Cheng, Hao-Xuan Ma, Weixin Wang, Ranjie Duan, Jiexi Liu, Xiaoshuang Jia, Simeng Qin, Xiaochun Cao, Yang Liu, Xiaojun Jia

AAAI 2025 TimeCHEAT: A Channel Harmony Strategy for Irregularly Sampled Multivariate Time Series Analysis Jiexi Liu, Meng Cao, Songcan Chen

AAAI 2024 TimesURL: Self-Supervised Contrastive Learning for Universal Time Series Representation Learning Jiexi Liu, Songcan Chen

AAAI 2019 A Hierarchical Framework for Relation Extraction with Reinforcement Learning Ryuichi Takanobu, Tianyang Zhang, Jiexi Liu, Minlie Huang