Search Results for author: Zhaofeng Zhang

Found 5 papers, 1 papers with code

From attention to profit: quantitative trading strategy based on transformer

no code implementations30 Mar 2024 Zhaofeng Zhang, Banghao Chen, Shengxin Zhu, Nicolas Langrené

In traditional quantitative trading practice, navigating the complicated and dynamic financial market presents a persistent challenge.

Sentiment Analysis Transfer Learning

Unleashing the potential of prompt engineering in Large Language Models: a comprehensive review

no code implementations23 Oct 2023 Banghao Chen, Zhaofeng Zhang, Nicolas Langrené, Shengxin Zhu

This survey elucidates foundational principles of prompt engineering, such as role-prompting, one-shot, and few-shot prompting, as well as more advanced methodologies such as the chain-of-thought and tree-of-thoughts prompting.

Hallucination Prompt Engineering

CLARE: Conservative Model-Based Reward Learning for Offline Inverse Reinforcement Learning

no code implementations9 Feb 2023 Sheng Yue, Guanbo Wang, Wei Shao, Zhaofeng Zhang, Sen Lin, Ju Ren, Junshan Zhang

This work aims to tackle a major challenge in offline Inverse Reinforcement Learning (IRL), namely the reward extrapolation error, where the learned reward function may fail to explain the task correctly and misguide the agent in unseen environments due to the intrinsic covariate shift.

Continuous Control reinforcement-learning +1

Long-term Spatio-temporal Forecasting via Dynamic Multiple-Graph Attention

1 code implementation23 Apr 2022 Wei Shao, Zhiling Jin, Shuo Wang, Yufan Kang, Xiao Xiao, Hamid Menouar, Zhaofeng Zhang, Junshan Zhang, Flora Salim

To address these issues, we construct new graph models to represent the contextual information of each node and the long-term spatio-temporal data dependency structure.

Graph Attention Spatio-Temporal Forecasting

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