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Machine-generated texts (MGTs) pose risks such as disinformation and phishing, underscoring the need for reliable detection. Metric-based methods, which extract statistically distinguishable features of MGTs, are often more practical than…

计算与语言 · 计算机科学 2026-05-18 Chenwang Wu , Yiuming Cheung , Bo Han , Shuhai Zhang , Defu Lian

Large language models (LLMs) are increasingly being applied to financial analysis, reporting, investment decision support, risk management, compliance, and professional training. However, robust evaluation of their domain competence in…

We propose to leverage news discourse profiling to model document-level temporal structures for building temporal dependency graphs. Our key observation is that the functional roles of sentences used for profiling news discourse signify…

计算与语言 · 计算机科学 2022-10-24 Prafulla Kumar Choubey , Ruihong Huang

With the recent advances in social media, the use of NLP techniques in social media data analysis has become an emerging research direction. Business organizations can particularly benefit from such an analysis of social media discourse,…

计算与语言 · 计算机科学 2023-10-17 Aadit Deshpande , Shreya Goyal , Prateek Nagwanshi , Avinash Tripathy

Multimodal analysis that uses numerical time series and textual corpora as input data sources is becoming a promising approach, especially in the financial industry. However, the main focus of such analysis has been on achieving high…

计算与语言 · 计算机科学 2019-12-24 Xuan-Hong Dang , Syed Yousaf Shah , Petros Zerfos

This paper provides a holistic study of how stock prices vary in their response to financial disclosures across different topics. Thereby, we specifically shed light into the extensive amount of filings for which no a priori categorization…

计算与语言 · 计算机科学 2018-05-10 Stefan Feuerriegel , Nicolas Pröllochs

Time series anomaly detection plays a critical role in many dynamic systems. Despite its importance, previous approaches have primarily relied on unimodal numerical data, overlooking the importance of complementary information from other…

机器学习 · 计算机科学 2026-03-24 Shiyan Hu , Jianxin Jin , Yang Shu , Peng Chen , Bin Yang , Chenjuan Guo

The sheer volume of financial statements makes it difficult for humans to access and analyze a business's financials. Robust numerical reasoning likewise faces unique challenges in this domain. In this work, we focus on answering deep…

Large language models are reshaping quantitative investing by turning unstructured financial information into evidence-grounded signals and executable decisions. This survey synthesizes research with a focus on equity return prediction and…

投资组合管理 · 定量金融 2025-10-08 Weilong Fu

Identifying and exploring emerging trends in the news is becoming more essential than ever with many changes occurring worldwide due to the global health crises. However, most of the recent research has focused mainly on detecting trends in…

计算与语言 · 计算机科学 2023-01-27 Nhu Khoa Nguyen , Thierry Delahaut , Emanuela Boros , Antoine Doucet , Gaël Lejeune

Navigating the intricate landscape of financial markets requires adept forecasting of stock price movements. This paper delves into the potential of Long Short-Term Memory (LSTM) networks for predicting stock dynamics, with a focus on…

交易与市场微观结构 · 定量金融 2024-03-29 Nisarg Patel , Harmit Shah , Kishan Mewada

The proliferation of news media outlets has increased the demand for intelligent systems capable of detecting redundant information in news articles in order to enhance user experience. However, the heterogeneous nature of news can lead to…

计算与语言 · 计算机科学 2024-08-27 Elena Shushkevich , Long Mai , Manuel V. Loureiro , Steven Derby , Tri Kurniawan Wijaya

The marvel of markets lies in the fact that dispersed information is instantaneously processed and used to adjust the price of goods, services and assets. Financial markets are particularly efficient when it comes to processing information;…

交易与市场微观结构 · 定量金融 2018-07-19 Stefan Feuerriegel , Helmut Prendinger

The remarkable achievements and rapid advancements of Large Language Models (LLMs) such as ChatGPT and GPT-4 have showcased their immense potential in quantitative investment. Traders can effectively leverage these LLMs to analyze financial…

计算与语言 · 计算机科学 2023-10-11 Yujie Ding , Shuai Jia , Tianyi Ma , Bingcheng Mao , Xiuze Zhou , Liuliu Li , Dongming Han

Finance is a particularly difficult playground for deep reinforcement learning. However, establishing high-quality market environments and benchmarks for financial reinforcement learning is challenging due to three major factors, namely,…

交易与市场微观结构 · 定量金融 2022-11-08 Xiao-Yang Liu , Ziyi Xia , Jingyang Rui , Jiechao Gao , Hongyang Yang , Ming Zhu , Christina Dan Wang , Zhaoran Wang , Jian Guo

Stock trend prediction plays a critical role in seeking maximized profit from stock investment. However, precise trend prediction is very difficult since the highly volatile and non-stationary nature of stock market. Exploding information…

社会与信息网络 · 计算机科学 2019-02-21 Ziniu Hu , Weiqing Liu , Jiang Bian , Xuanzhe Liu , Tie-Yan Liu

This paper uses a new textual data index for predicting stock market data. The index is applied to a large set of news to evaluate the importance of one or more general economic-related keywords appearing in the text. The index assesses the…

综合金融 · 定量金融 2023-07-11 A. Fronzetti Colladon , S. Grassi , F. Ravazzolo , F. Violante

The lack of contextual information in text data can make the annotation process of text-based emotion classification datasets challenging. As a result, such datasets often contain labels that fail to consider all the relevant emotions in…

Large language models (LLMs) have demonstrated impressive performance in text generation tasks; however, their embedding spaces often suffer from the isotropy problem, resulting in poor discrimination of domain-specific terminology,…

计算与语言 · 计算机科学 2025-12-23 Yidan Sun , Mengying Zhu , Feiyue Chen , Yangyang Wu , Xiaolei Dan , Mengyuan Yang , Xiaolin Zheng , Shenglin Ben

Large Language Models (LLMs) have demonstrated impressive capabilities across a wide range of tasks. However, their proficiency and reliability in the specialized domain of financial data analysis, particularly focusing on data-driven…

计算与语言 · 计算机科学 2024-06-17 Shu Liu , Shangqing Zhao , Chenghao Jia , Xinlin Zhuang , Zhaoguang Long , Jie Zhou , Aimin Zhou , Man Lan , Qingquan Wu , Chong Yang