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Financial reinforcement learning (FinRL) is now a practical paradigm for financial engineering. However, applying RL strategies to real-world trading tasks remains a challenge for individuals, as it is error-prone and engineering-heavy. The…

Computational Engineering, Finance, and Science · Computer Science 2025-07-16 Keyi Wang , Nikolaus Holzer , Ziyi Xia , Yupeng Cao , Jiechao Gao , Anwar Walid , Kairong Xiao , Xiao-Yang Liu Yanglet

One of the key challenges in federated learning (FL) is local data distribution heterogeneity across clients, which may cause inconsistent feature spaces across clients. To address this issue, we propose a novel method FedFM, which guides…

Machine Learning · Computer Science 2022-10-17 Rui Ye , Zhenyang Ni , Chenxin Xu , Jianyu Wang , Siheng Chen , Yonina C. Eldar

As financial institutions and professionals increasingly incorporate Large Language Models (LLMs) into their workflows, substantial barriers, including proprietary data and specialized knowledge, persist between the finance sector and the…

Statistical Finance · Quantitative Finance 2024-05-28 Hongyang Yang , Boyu Zhang , Neng Wang , Cheng Guo , Xiaoli Zhang , Likun Lin , Junlin Wang , Tianyu Zhou , Mao Guan , Runjia Zhang , Christina Dan Wang

Due to the huge amount of parameters, fine-tuning of pretrained language models (PLMs) is prone to overfitting in the low resource scenarios. In this work, we present a novel method that operates on the hidden representations of a PLM to…

Computation and Language · Computer Science 2023-05-29 Linlin Liu , Xingxuan Li , Megh Thakkar , Xin Li , Shafiq Joty , Luo Si , Lidong Bing

Accurate classification of multi-modal financial documents, containing text, tables, charts, and images, is crucial but challenging. Traditional text-based approaches often fail to capture the complex multi-modal nature of these documents.…

Information Retrieval · Computer Science 2024-06-05 Anjanava Biswas , Wrick Talukdar

Financial markets are difficult to predict due to its complex systems dynamics. Although there have been some recent studies that use machine learning techniques for financial markets prediction, they do not offer satisfactory performance…

Statistical Finance · Quantitative Finance 2022-01-31 Jia Wang , Tong Sun , Benyuan Liu , Yu Cao , Degang Wang

Multi-view anchor graph clustering selects representative anchors to avoid full pair-wise similarities and therefore reduce the complexity of graph methods. Although widely applied in large-scale applications, existing approaches do not pay…

Machine Learning · Computer Science 2022-10-25 Siwei Wang , Xinwang Liu , Suyuan Liu , Jiaqi Jin , Wenxuan Tu , Xinzhong Zhu , En Zhu

Financial sentiment analysis (FSA) has attracted significant attention, and recent studies increasingly explore large language models (LLMs) for this field. Yet most work evaluates only classification metrics, leaving unclear whether…

Computational Engineering, Finance, and Science · Computer Science 2025-09-17 Zijian Zhang , Rong Fu , Yangfan He , Xinze Shen , Yanlong Wang , Xiaojing Du , Haochen You , Jiazhao Shi , Simon Fong

In this study, we show that landmark detection or face alignment task is not a single and independent problem. Instead, its robustness can be greatly improved with auxiliary information. Specifically, we jointly optimize landmark detection…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Zhanpeng Zhang , Ping Luo , Chen Change Loy , Xiaoou Tang

Financial Large Language Models (FinLLMs), such as open FinGPT and proprietary BloombergGPT, have demonstrated great potential in select areas of financial services. Beyond this earlier language-centric approach, Multimodal Financial…

Computational Engineering, Finance, and Science · Computer Science 2025-07-15 Xiao-Yang Liu Yanglet , Yupeng Cao , Li Deng

Multimodal Recommender Systems aim to improve recommendation accuracy by integrating heterogeneous content, such as images and textual metadata. While effective, it remains unclear whether their gains stem from true multimodal understanding…

Information Retrieval · Computer Science 2025-08-07 Claudio Pomo , Matteo Attimonelli , Danilo Danese , Fedelucio Narducci , Tommaso Di Noia

Large language models (LLMs) predominantly employ decoder-only transformer architectures, necessitating the retention of keys/values information for historical tokens to provide contextual information and avoid redundant computation.…

Computation and Language · Computer Science 2024-06-04 Jianhui Pang , Fanghua Ye , Derek Fai Wong , Xin He , Wanshun Chen , Longyue Wang

We examine whether and how granular, real-time predictive models should be integrated into central banks' macroprudential toolkit. First, we develop a tractable framework that formalizes the tradeoff regulators face when choosing between…

General Economics · Economics 2025-07-28 Christopher Clayton , Antonio Coppola

Financial transactions constitute connections between entities and through these connections a large scale heterogeneous weighted graph is formulated. In this labyrinth of interactions that are continuously updated, there exists a variety…

Machine Learning · Computer Science 2020-07-02 Antonia Gogoglou , Brian Nguyen , Alan Salimov , Jonathan Rider , C. Bayan Bruss

Financial institutions and regulators require systems that integrate heterogeneous data to assess risks from stock fluctuations to systemic vulnerabilities. Existing approaches often treat these tasks in isolation, failing to capture…

Machine Learning · Computer Science 2026-01-07 Gongao Zhang , Haijiang Zeng , Lu Jiang

Nowadays online users prefer to join multiple social media for the purpose of socialized online service. The problem \textit{anchor link prediction} is formalized to link user data with the common ground on user profile, content and network…

Social and Information Networks · Computer Science 2021-03-22 Hao Gao , Yongqing Wang , Shanshan Lyu , Huawei Shen , Xueqi Cheng

Graph matching can be formalized as a combinatorial optimization problem, where there are corresponding relationships between pairs of nodes that can be represented as edges. This problem becomes challenging when there are potential…

Computer Vision and Pattern Recognition · Computer Science 2023-01-06 Dongdong Chen , Yuxing Dai , Lichi Zhang , Zhihong Zhang

Current financial large language models (FinLLMs) struggle with two critical limitations: the absence of objective evaluation metrics to assess the quality of stock analysis reports and a lack of depth in stock analysis, which impedes their…

Artificial Intelligence · Computer Science 2025-07-10 Shijie Han , Jingshu Zhang , Yiqing Shen , Kaiyuan Yan , Hongguang Li

This paper introduces a Large Language Model (LLM)-based multi-agent framework designed to enhance anomaly detection within financial market data, tackling the longstanding challenge of manually verifying system-generated anomaly alerts.…

Risk Management · Quantitative Finance 2024-04-01 Taejin Park

Industrial financial systems operate on temporal event sequences such as transactions, user actions, and system logs. While recent research emphasizes representation learning and large language models, production systems continue to rely…