Search Results for author: Chenhan Yuan

Found 15 papers, 5 papers with code

Unsupervised Relation Extraction: A Variational Autoencoder Approach

no code implementations EMNLP 2021 Chenhan Yuan, Hoda Eldardiry

We propose a VAE-based unsupervised relation extraction technique that overcomes this limitation by using the classifications as an intermediate variable instead of a latent variable.

Decoder Relation +2

VTechAGP: An Academic-to-General-Audience Text Paraphrase Dataset and Benchmark Models

no code implementations7 Nov 2024 Ming Cheng, Jiaying Gong, Chenhan Yuan, William A. Ingram, Edward Fox, Hoda Eldardiry

To the best of our knowledge, we are the first to build a benchmark dataset and solutions for academic-to-general-audience text paraphrase dataset.

Language Modeling Language Modelling +3

CAST: Corpus-Aware Self-similarity Enhanced Topic modelling

no code implementations19 Oct 2024 Yanan Ma, Chenghao Xiao, Chenhan Yuan, Sabine N van der Veer, Lamiece Hassan, Chenghua Lin, Goran Nenadic

Experiments on news benchmark datasets and one Twitter dataset demonstrate the method's superiority in generating coherent, diverse topics, and handling noisy data, outperforming strong baselines.

Contrastive Learning Diversity +1

Are Large Language Models True Healthcare Jacks-of-All-Trades? Benchmarking Across Health Professions Beyond Physician Exams

1 code implementation17 Jun 2024 Zheheng Luo, Chenhan Yuan, Qianqian Xie, Sophia Ananiadou

To fill this research gap, we introduce the Examinations for Medical Personnel in Chinese (EMPEC), a pioneering large-scale healthcare knowledge benchmark in traditional Chinese.

All Benchmarking +1

No Language is an Island: Unifying Chinese and English in Financial Large Language Models, Instruction Data, and Benchmarks

2 code implementations10 Mar 2024 Gang Hu, Ke Qin, Chenhan Yuan, Min Peng, Alejandro Lopez-Lira, Benyou Wang, Sophia Ananiadou, Jimin Huang, Qianqian Xie

While the progression of Large Language Models (LLMs) has notably propelled financial analysis, their application has largely been confined to singular language realms, leaving untapped the potential of bilingual Chinese-English capacity.

Financial Analysis

FinBen: A Holistic Financial Benchmark for Large Language Models

2 code implementations20 Feb 2024 Qianqian Xie, Weiguang Han, Zhengyu Chen, Ruoyu Xiang, Xiao Zhang, Yueru He, Mengxi Xiao, Dong Li, Yongfu Dai, Duanyu Feng, Yijing Xu, Haoqiang Kang, Ziyan Kuang, Chenhan Yuan, Kailai Yang, Zheheng Luo, Tianlin Zhang, Zhiwei Liu, Guojun Xiong, Zhiyang Deng, Yuechen Jiang, Zhiyuan Yao, Haohang Li, Yangyang Yu, Gang Hu, Jiajia Huang, Xiao-Yang Liu, Alejandro Lopez-Lira, Benyou Wang, Yanzhao Lai, Hao Wang, Min Peng, Sophia Ananiadou, Jimin Huang

Our evaluation of 15 representative LLMs, including GPT-4, ChatGPT, and the latest Gemini, reveals several key findings: While LLMs excel in IE and textual analysis, they struggle with advanced reasoning and complex tasks like text generation and forecasting.

Question Answering RAG +2

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

1 code implementation12 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.

GradXKG: A Universal Explain-per-use Temporal Knowledge Graph Explainer

no code implementations7 Oct 2023 Chenhan Yuan, Hoda Eldardiry

This helps address the lack of interpretability in existing TKGR models and provides a universal explanation approach applicable across various models.

Knowledge Graphs

Back to the Future: Towards Explainable Temporal Reasoning with Large Language Models

1 code implementation2 Oct 2023 Chenhan Yuan, Qianqian Xie, Jimin Huang, Sophia Ananiadou

In this paper, we introduce the first task of explainable temporal reasoning, to predict an event's occurrence at a future timestamp based on context which requires multiple reasoning over multiple events, and subsequently provide a clear explanation for their prediction.

Attribute Instruction Following +2

Zero-shot Temporal Relation Extraction with ChatGPT

no code implementations11 Apr 2023 Chenhan Yuan, Qianqian Xie, Sophia Ananiadou

The current shortcomings of ChatGPT on temporal relation extraction are also discussed in this paper.

Relation Temporal Relation Extraction

Reinforcement Learning-based N-ary Cross-Sentence Relation Extraction

no code implementations26 Sep 2020 Chenhan Yuan, Ryan Rossi, Andrew Katz, Hoda Eldardiry

In this paper, we relax this strong assumption by a weaker distant supervision assumption to address the second issue and propose a novel sentence distribution estimator model to address the first problem.

reinforcement-learning Reinforcement Learning +4

Clustering-based Unsupervised Generative Relation Extraction

no code implementations26 Sep 2020 Chenhan Yuan, Ryan Rossi, Andrew Katz, Hoda Eldardiry

To address this issue, we propose a Clustering-based Unsupervised generative Relation Extraction (CURE) framework that leverages an "Encoder-Decoder" architecture to perform self-supervised learning so the encoder can extract relation information.

Clustering Decoder +4

Efficient text generation of user-defined topic using generative adversarial networks

no code implementations CCNLG (ACL) 2019 Chenhan Yuan, Yi-chin Huang, Cheng-Hung Tsai

The objective results showed that the proposed method is capable of generating texts with less time than others and the generated text is related to the user-defined topic and sentiment.

Sentence Text Generation

Cannot find the paper you are looking for? You can Submit a new open access paper.