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Existing research on large language models (LLMs) shows that they can solve information extraction tasks through multi-step planning. However, their extraction behavior on complex sentences and tasks is unstable, emerging issues such as…

Computation and Language · Computer Science 2024-08-30 Zepeng Ding , Ruiyang Ke , Wenhao Huang , Guochao Jiang , Yanda Li , Deqing Yang , Jiaqing Liang

This paper provides an experimental evaluation of the capability of large language models (LLMs) to assist in legal decision-making within the framework of Austrian and European Union value-added tax (VAT) law. In tax consulting practice,…

Computation and Language · Computer Science 2025-07-14 Marina Luketina , Andrea Benkel , Christoph G. Schuetz

Large Language Models (LLMs) have revolutionized Natural Language Processing (NLP) based applications including automated text generation, question answering, chatbots, and others. However, they face a significant challenge: hallucinations,…

Computation and Language · Computer Science 2024-11-22 Ernests Lavrinovics , Russa Biswas , Johannes Bjerva , Katja Hose

Despite the remarkable performance of generative large language models (LLMs) on abstractive summarization, they face two significant challenges: their considerable size and tendency to hallucinate. Hallucinations are concerning because…

Computation and Language · Computer Science 2024-10-28 George Chrysostomou , Zhixue Zhao , Miles Williams , Nikolaos Aletras

Despite their powerful chat, coding, and reasoning abilities, Large Language Models (LLMs) frequently hallucinate. Conventional wisdom suggests that hallucinations are a consequence of a balance between creativity and factuality, which can…

Recent advances in large language models (LLMs) have unlocked novel opportunities for machine learning applications in the financial domain. These models have demonstrated remarkable capabilities in understanding context, processing vast…

General Finance · Quantitative Finance 2024-06-19 Yuqi Nie , Yaxuan Kong , Xiaowen Dong , John M. Mulvey , H. Vincent Poor , Qingsong Wen , Stefan Zohren

Due to an exponential increase in published research articles, it is impossible for individual scientists to read all publications, even within their own research field. In this work, we investigate the use of large language models (LLMs)…

Large Language Models (LLMs) demonstrate exceptional performance in textual understanding and tabular reasoning tasks. However, their ability to comprehend and analyze hybrid text, containing textual and tabular data, remains underexplored.…

Computation and Language · Computer Science 2024-03-08 Chongjian Yue , Xinrun Xu , Xiaojun Ma , Lun Du , Hengyu Liu , Zhiming Ding , Yanbing Jiang , Shi Han , Dongmei Zhang

Hallucinations in Large Language Models (LLMs) pose a significant challenge, generating misleading or unverifiable content that undermines trust and reliability. Existing evaluation methods, such as KnowHalu, employ multi-stage verification…

Computation and Language · Computer Science 2026-04-10 Chenggong Zhang , Haopeng Wang , Hexi Meng

Large Language Models (LLMs) frequently hallucinate to long-form questions, producing plausible yet factually incorrect answers. A common mitigation strategy is to provide attribution to LLM outputs. However, existing benchmarks primarily…

Computation and Language · Computer Science 2025-10-09 Yitao Long , Tiansheng Hu , Yilun Zhao , Arman Cohan , Chen Zhao

While humans increasingly rely on large language models (LLMs), they are susceptible to generating inaccurate or false information, also known as "hallucinations". Technical advancements have been made in algorithms that detect hallucinated…

Human-Computer Interaction · Computer Science 2024-06-03 Hyo Jin Do , Rachel Ostrand , Justin D. Weisz , Casey Dugan , Prasanna Sattigeri , Dennis Wei , Keerthiram Murugesan , Werner Geyer

Large language models (LLMs) often generate responses that deviate from user input or training data, a phenomenon known as "hallucination." These hallucinations undermine user trust and hinder the adoption of generative AI systems.…

Computation and Language · Computer Science 2025-04-25 Yejin Bang , Ziwei Ji , Alan Schelten , Anthony Hartshorn , Tara Fowler , Cheng Zhang , Nicola Cancedda , Pascale Fung

Financial markets change rapidly due to news, economic shifts, and geopolitical events. Quick reactions are vital for investors to avoid losses or capture short-term gains. As a result, concise financial news summaries are critical for…

Computational Engineering, Finance, and Science · Computer Science 2025-12-10 Nicolas Reche , Elvys Linhares-Pontes , Juan-Manuel Torres-Moreno

This systematic literature review comprehensively examines the application of Large Language Models (LLMs) in forecasting and anomaly detection, highlighting the current state of research, inherent challenges, and prospective future…

Machine Learning · Computer Science 2024-02-19 Jing Su , Chufeng Jiang , Xin Jin , Yuxin Qiao , Tingsong Xiao , Hongda Ma , Rong Wei , Zhi Jing , Jiajun Xu , Junhong Lin

Large Language Models (LLMs) demonstrate remarkable capabilities, yet struggle with hallucination and outdated knowledge when tasked with complex knowledge reasoning, resulting in factually incorrect outputs. Previous studies have attempted…

Computation and Language · Computer Science 2025-01-07 Derong Xu , Xinhang Li , Ziheng Zhang , Zhenxi Lin , Zhihong Zhu , Zhi Zheng , Xian Wu , Xiangyu Zhao , Tong Xu , Enhong Chen

Although Large Language Models (LLMs) have demonstrated extraordinary capabilities in many domains, they still have a tendency to hallucinate and generate fictitious responses to user requests. This problem can be alleviated by augmenting…

Information Retrieval · Computer Science 2023-06-09 Jiongnan Liu , Jiajie Jin , Zihan Wang , Jiehan Cheng , Zhicheng Dou , Ji-Rong Wen

Large Language Models (LLMs) have shown unprecedented performance in various real-world applications. However, they are known to generate factually inaccurate outputs, a.k.a. the hallucination problem. In recent years, incorporating…

Computation and Language · Computer Science 2024-06-21 Haochen Liu , Song Wang , Yaochen Zhu , Yushun Dong , Jundong Li

Modern Large Language Models (LLMs) have showcased remarkable prowess in various tasks necessitating sophisticated cognitive behaviors. Nevertheless, a paradoxical performance discrepancy is observed, where these models underperform in…

Computation and Language · Computer Science 2024-04-05 Yuchen Fan , Yantao Liu , Zijun Yao , Jifan Yu , Lei Hou , Juanzi Li

This study applies Large Language Models (LLMs) to two foundational Electronic Health Record (EHR) data science tasks: structured data querying (using programmatic languages, Python/Pandas) and information extraction from unstructured…

Computation and Language · Computer Science 2026-01-29 Juan Jose Rubio Jan , Jack Wu , Julia Ive

Large Language Models (LLMs) are transforming information extraction from academic literature, offering new possibilities for knowledge management. This study presents an LLM-based system designed to extract detailed information about…

Information Retrieval · Computer Science 2025-05-29 Jiseung Yoo , Curran Mahowald , Meiyu Li , Wei Ai