Search Results for author: Weiguang Han

Found 9 papers, 6 papers with code

HealMe: Harnessing Cognitive Reframing in Large Language Models for Psychotherapy

no code implementations26 Feb 2024 Mengxi Xiao, Qianqian Xie, Ziyan Kuang, Zhicheng Liu, Kailai Yang, Min Peng, Weiguang Han, Jimin Huang

Large Language Models (LLMs) can play a vital role in psychotherapy by adeptly handling the crucial task of cognitive reframing and overcoming challenges such as shame, distrust, therapist skill variability, and resource scarcity.

Dólares or Dollars? Unraveling the Bilingual Prowess of Financial LLMs Between Spanish and English

2 code implementations12 Feb 2024 Xiao Zhang, Ruoyu Xiang, Chenhan Yuan, Duanyu Feng, Weiguang Han, Alejandro Lopez-Lira, Xiao-Yang Liu, Sophia Ananiadou, Min Peng, Jimin Huang, Qianqian Xie

We evaluate our model and existing LLMs using FLARE-ES, the first comprehensive bilingual evaluation benchmark with 21 datasets covering 9 tasks.

LAiW: A Chinese Legal Large Language Models Benchmark

1 code implementation9 Oct 2023 Yongfu Dai, Duanyu Feng, Jimin Huang, Haochen Jia, Qianqian Xie, Yifang Zhang, Weiguang Han, Wei Tian, Hao Wang

Through automated evaluation of current general and legal domain LLMs on our benchmark, we indicate that these LLMs may not align with the logic of legal practice.

Information Retrieval

Empowering Many, Biasing a Few: Generalist Credit Scoring through Large Language Models

1 code implementation1 Oct 2023 Duanyu Feng, Yongfu Dai, Jimin Huang, Yifang Zhang, Qianqian Xie, Weiguang Han, Zhengyu Chen, Alejandro Lopez-Lira, Hao Wang

We then propose the first Credit and Risk Assessment Large Language Model (CALM) by instruction tuning, tailored to the nuanced demands of various financial risk assessment tasks.

Decision Making Language Modelling +1

PIXIU: A Large Language Model, Instruction Data and Evaluation Benchmark for Finance

2 code implementations8 Jun 2023 Qianqian Xie, Weiguang Han, Xiao Zhang, Yanzhao Lai, Min Peng, Alejandro Lopez-Lira, Jimin Huang

This paper introduces PIXIU, a comprehensive framework including the first financial LLM based on fine-tuning LLaMA with instruction data, the first instruction data with 136K data samples to support the fine-tuning, and an evaluation benchmark with 5 tasks and 9 datasets.

Conversational Question Answering Language Modelling +5

The Wall Street Neophyte: A Zero-Shot Analysis of ChatGPT Over MultiModal Stock Movement Prediction Challenges

no code implementations10 Apr 2023 Qianqian Xie, Weiguang Han, Yanzhao Lai, Min Peng, Jimin Huang

Recently, large language models (LLMs) like ChatGPT have demonstrated remarkable performance across a variety of natural language processing tasks.

Mastering Pair Trading with Risk-Aware Recurrent Reinforcement Learning

no code implementations1 Apr 2023 Weiguang Han, Jimin Huang, Qianqian Xie, Boyi Zhang, Yanzhao Lai, Min Peng

Although pair trading is the simplest hedging strategy for an investor to eliminate market risk, it is still a great challenge for reinforcement learning (RL) methods to perform pair trading as human expertise.

PAIR TRADING reinforcement-learning +1

Select and Trade: Towards Unified Pair Trading with Hierarchical Reinforcement Learning

1 code implementation25 Jan 2023 Weiguang Han, Boyi Zhang, Qianqian Xie, Min Peng, Yanzhao Lai, Jimin Huang

For pair selection, ignoring the trading performance results in the wrong assets being selected with irrelevant price movements, while the agent trained for trading can overfit to the selected assets without any historical information of other assets.

Hierarchical Reinforcement Learning PAIR TRADING +2

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