English
Related papers

Related papers: Transformers with Attentive Federated Aggregation …

200 papers

Financial literacy is increasingly dependent on the ability to interpret complex financial data and utilize advanced forecasting tools. In this context, this study proposes a novel approach that combines transformer-based time series models…

Statistical Finance · Quantitative Finance 2025-06-10 Sukru Selim Calik , Andac Akyuz , Zeynep Hilal Kilimci , Kerem Colak

Sequence learning has attracted much research attention from the machine learning community in recent years. In many applications, a sequence learning task is usually associated with multiple temporally correlated auxiliary tasks, which are…

Computation and Language · Computer Science 2021-07-05 Xueqing Wu , Lewen Wang , Yingce Xia , Weiqing Liu , Lijun Wu , Shufang Xie , Tao Qin , Tie-Yan Liu

Inflation is a major determinant for allocation decisions and its forecast is a fundamental aim of governments and central banks. However, forecasting inflation is not a trivial task, as its prediction relies on low frequency, highly…

Econometrics · Economics 2023-03-30 Maximilian Tschuchnig , Petra Tschuchnig , Cornelia Ferner , Michael Gadermayr

Transformers achieve remarkable performance in several tasks but due to their quadratic complexity, with respect to the input's length, they are prohibitively slow for very long sequences. To address this limitation, we express the…

Machine Learning · Computer Science 2020-09-01 Angelos Katharopoulos , Apoorv Vyas , Nikolaos Pappas , François Fleuret

This paper investigates the limitations of transformers for entity-tracking tasks in large language models. We identify a theoretical constraint, showing that transformers require at least $\log_2 (n+1)$ layers to handle entity tracking…

Machine Learning · Computer Science 2024-12-12 Erwan Fagnou , Paul Caillon , Blaise Delattre , Alexandre Allauzen

This research aims to leverage machine learning to improve stock price prediction and support informed investment decisions related to buying, selling, and holding assets. Specifically, this work investigates transformer-based models for…

Statistical Finance · Quantitative Finance 2026-05-26 Marie Soehl Coolsaet , Roberto Gallardo , Zhen Gao

Performance forecasting is an age-old problem in economics and finance. Recently, developments in machine learning and neural networks have given rise to non-linear time series models that provide modern and promising alternatives to…

Statistical Finance · Quantitative Finance 2022-01-21 Carmina Fjellström

The performance of time series forecasting has recently been greatly improved by the introduction of transformers. In this paper, we propose a general multi-scale framework that can be applied to the state-of-the-art transformer-based time…

Machine Learning · Computer Science 2023-02-08 Amin Shabani , Amir Abdi , Lili Meng , Tristan Sylvain

Time series prediction is a prevalent issue across various disciplines, such as meteorology, traffic surveillance, investment, and energy production and consumption. Many statistical and machine-learning strategies have been developed to…

Machine Learning · Computer Science 2023-05-26 Wei Wang , Yang Liu , Hao Sun

Transformer-based models have gained increasing attention in time series research, driving interest in Large Language Models (LLMs) and foundation models for time series analysis. As the field moves toward multi-modality, Large Vision…

Machine Learning · Computer Science 2025-07-11 Ziming Zhao , ChengAo Shen , Hanghang Tong , Dongjin Song , Zhigang Deng , Qingsong Wen , Jingchao Ni

This study explores alternative framework configurations for adapting thermal machine learning (ML) models for power converters by combining transfer learning (TL) and federated learning (FL) in a piecewise manner. This approach inherently…

Machine Learning · Computer Science 2025-04-24 Panagiotis Kakosimos , Alireza Nemat Saberi , Luca Peretti

We introduce a neural network conformal prediction method for time series that enhances adaptivity in non-stationary environments. Our approach acts as a neural controller designed to achieve desired target coverage, leveraging auxiliary…

Machine Learning · Computer Science 2024-12-25 Ruipu Li , Alexander Rodríguez

While numerous forecasters have been proposed using different network architectures, the Transformer-based models have state-of-the-art performance in time series forecasting. However, forecasters based on Transformers are still suffering…

Machine Learning · Computer Science 2024-11-06 Kun Yi , Jingru Fei , Qi Zhang , Hui He , Shufeng Hao , Defu Lian , Wei Fan

Stock selection, which aims to predict stock prices and identify the most profitable ones, is a crucial task in finance. While existing methods primarily focus on developing model structures and building graphs for improved selection,…

Computational Engineering, Finance, and Science · Computer Science 2025-06-23 Mengyu Wang , Tiejun Ma , Shay B. Cohen

Time series forecasting (TSF) plays a crucial role in many applications. Transformer-based methods are one of the mainstream techniques for TSF. Existing methods treat all token dependencies equally. However, we find that the effectiveness…

Artificial Intelligence · Computer Science 2025-03-11 Jianqi Zhang , Jingyao Wang , Xingchen Shen , Wenwen Qiang

Organizing and managing cryptocurrency portfolios and decision-making on transactions is crucial in this market. Optimal selection of assets is one of the main challenges that requires accurate prediction of the price of cryptocurrencies.…

Machine Learning · Computer Science 2024-12-20 Arash Peik , Mohammad Ali Zare Chahooki , Amin Milani Fard , Mehdi Agha Sarram

Multivariate time series forecasting (MTSF) is a fundamental problem in numerous real-world applications. Recently, Transformer has become the de facto solution for MTSF, especially for the long-term cases. However, except for the one…

Machine Learning · Computer Science 2022-12-07 Zanwei Zhou , Ruizhe Zhong , Chen Yang , Yan Wang , Xiaokang Yang , Wei Shen

Unsupervised detection of anomaly points in time series is a challenging problem, which requires the model to derive a distinguishable criterion. Previous methods tackle the problem mainly through learning pointwise representation or…

Machine Learning · Computer Science 2022-06-30 Jiehui Xu , Haixu Wu , Jianmin Wang , Mingsheng Long

Transformers have demonstrated remarkable efficacy in forecasting time series data. However, their extensive dependence on self-attention mechanisms demands significant computational resources, thereby limiting their practical applicability…

Machine Learning · Computer Science 2024-06-26 Cat P. Le , Chris Cannella , Ali Hasan , Yuting Ng , Vahid Tarokh

In traditional quantitative trading practice, navigating the complicated and dynamic financial market presents a persistent challenge. Fully capturing various market variables, including long-term information, as well as essential signals…

Mathematical Finance · Quantitative Finance 2026-02-24 Zhaofeng Zhang , Banghao Chen , Shengxin Zhu , Nicolas Langrené
‹ Prev 1 4 5 6 7 8 10 Next ›