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Conformal prediction has been explored as a general and efficient way to provide uncertainty quantification for time series. However, current methods struggle to handle time series data with change points - sudden shifts in the underlying…

机器学习 · 计算机科学 2025-12-02 Sophia Sun , Rose Yu

Time-series forecasting is fundamental in industrial domains like manufacturing and smart factories. As systems evolve toward automation, models must operate on edge devices (e.g., PLCs, microcontrollers) with strict constraints on latency…

机器学习 · 计算机科学 2026-01-19 Jaehoon Lee , Seungwoo Lee , Younghwi Kim , Dohee Kim , Sunghyun Sim

In Internet of things (IoT), data is continuously recorded from different data sources and devices can suffer faults in their embedded electronics, thus leading to a high-dimensional data sets and concept drift events. Therefore, methods…

机器学习 · 计算机科学 2021-07-22 Hugo Vinicius Bitencourt , Frederico Gadelha Guimarães

Multivariate time series forecasting is a pivotal task in several domains, including financial planning, medical diagnostics, and climate science. This paper presents the Neural Fourier Transform (NFT) algorithm, which combines…

机器学习 · 计算机科学 2024-05-24 Noam Koren , Kira Radinsky

Financial time-series classification (FTC) is extremely valuable for investment management. In past decades, it draws a lot of attention from a wide extent of research areas, especially Artificial Intelligence (AI). Existing researches…

机器学习 · 计算机科学 2019-11-22 Liu Guang , Wang Xiaojie , Li Ruifan

Semiconductor device models are essential to understand the charge transport in thin film transistors (TFTs). Using these TFT models to draw inference involves estimating parameters used to fit to the experimental data. These experimental…

机器学习 · 计算机科学 2021-11-29 Neel Chatterjee , Somya Sharma , Sarah Swisher , Snigdhansu Chatterjee

Cryptocurrencies fluctuate in markets with high price volatility, posing significant challenges for investors. To aid in informed decision-making, systems predicting cryptocurrency market movements have been developed, typically focusing on…

机器学习 · 计算机科学 2025-05-06 Amit Kumar , Taoran Ji

This paper offers a thorough examination of the univariate predictability in cryptocurrency time-series. By exploiting a combination of complexity measure and model predictions we explore the cryptocurrencies time-series forecasting task…

统计金融 · 定量金融 2025-02-14 Francesco Puoti , Fabrizio Pittorino , Manuel Roveri

Packing for Supervised Fine-Tuning (SFT) in autoregressive models involves concatenating data points of varying lengths until reaching the designed maximum length to facilitate GPU processing. However, randomly concatenating data points can…

机器学习 · 计算机科学 2025-02-27 Jiancheng Dong , Lei Jiang , Wei Jin , Lu Cheng

Accurate household electricity short-term load forecasting (STLF) is key to future and sustainable energy systems. While various studies have analyzed statistical, machine learning, or deep learning approaches for household electricity…

计算工程、金融与科学 · 计算机科学 2026-01-09 Marcel Meyer , David Zapata , Sascha Kaltenpoth , Oliver Müller

Diffusion Transformers (DiT) have achieved milestones in synthesizing financial time-series data, such as stock prices and order flows. However, their performance in synthesizing treasury futures data is still underexplored. This work…

机器学习 · 计算机科学 2026-01-21 Yingxiao Zhang , Jiaxin Duan , Junfu Zhang , Ke Feng

Accurate and reliable energy time series prediction is of great significance for power generation planning and allocation. At present, deep learning time series prediction has become the mainstream method. However, the multi-scale time…

机器学习 · 计算机科学 2025-08-08 Wei Li , Zixin Wang , Qizheng Sun , Qixiang Gao , Fenglei Yang

The cryptocurrency market is highly volatile compared to traditional financial markets. Hence, forecasting its volatility is crucial for risk management. In this paper, we investigate CryptoQuant data (e.g. on-chain analytics, exchange and…

交易与市场微观结构 · 定量金融 2024-06-13 Dorien Herremans , Kah Wee Low

Financial market analysis, especially the prediction of movements of stock prices, is a challenging problem. The nature of financial time-series data, being non-stationary and nonlinear, is the main cause of these challenges. Deep learning…

机器学习 · 计算机科学 2021-07-16 Mostafa Shabani , Alexandros Iosifidis

Detecting and analyzing complex patterns in multivariate time-series data is crucial for decision-making in urban and environmental system operations. However, challenges arise from the high dimensionality, intricate complexity, and…

机器学习 · 计算机科学 2024-12-25 Haowen Xu , Ali Boyaci , Jianming Lian , Aaron Wilson

Unsupervised/self-supervised time series representation learning is a challenging problem because of its complex dynamics and sparse annotations. Existing works mainly adopt the framework of contrastive learning with the time-based…

机器学习 · 计算机科学 2022-05-31 Ling Yang , Shenda Hong

High-frequency trading (HFT) uses computer algorithms to make trading decisions in short time scales (e.g., second-level), which is widely used in the Cryptocurrency (Crypto) market (e.g., Bitcoin). Reinforcement learning (RL) in financial…

交易与市场微观结构 · 定量金融 2023-09-25 Molei Qin , Shuo Sun , Wentao Zhang , Haochong Xia , Xinrun Wang , Bo An

The price movement prediction of stock market has been a classical yet challenging problem, with the attention of both economists and computer scientists. In recent years, graph neural network has significantly improved the prediction…

统计金融 · 定量金融 2023-05-16 Sheng Xiang , Dawei Cheng , Chencheng Shang , Ying Zhang , Yuqi Liang

We present MetaTT, a Tensor Train (TT) adapter framework for fine-tuning of pre-trained transformers. MetaTT enables flexible and parameter-efficient model adaptation by using a single shared TT to factorize transformer sub-modules. This…

机器学习 · 计算机科学 2025-11-18 Javier Lopez-Piqueres , Pranav Deshpande , Archan Ray , Mattia J. Villani , Marco Pistoia , Niraj Kumar

Pre-trained foundation models (FMs) have shown exceptional performance in univariate time series forecasting tasks. However, several practical challenges persist, including managing intricate dependencies among features and quantifying…