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Multi-step-ahead forecasts are often updated as new observations become available, since shorter forecast horizons typically improve forecast quality. However, such improvements come at the cost of forecast instability, i.e., variability in…

机器学习 · 计算机科学 2026-05-28 Jente Van Belle , Honglin Wen , Wouter Verbeke , Pierre Pinson

The algorithms available for retail forecasting have increased in complexity. Newer methods, such as machine learning, are inherently complex. The more traditional families of forecasting models, such as exponential smoothing and…

统计方法学 · 统计学 2023-10-23 Fotios Petropoulos , Yael Grushka-Cockayne , Enno Siemsen , Evangelos Spiliotis

Cost and cardinality estimation is vital to query optimizer, which can guide the plan selection. However traditional empirical cost and cardinality estimation techniques cannot provide high-quality estimation, because they cannot capture…

数据库 · 计算机科学 2019-06-07 Ji Sun , Guoliang Li

Accurately predicting industrial aging processes makes it possible to schedule maintenance events further in advance, ensuring a cost-efficient and reliable operation of the plant. So far, these degradation processes were usually described…

机器学习 · 计算机科学 2020-10-22 Mihail Bogojeski , Simeon Sauer , Franziska Horn , Klaus-Robert Müller

A new variational mode decomposition (VMD) based deep learning approach is proposed in this paper for time series forecasting problem. Firstly, VMD is adopted to decompose the original time series into several sub-signals. Then, a…

机器学习 · 统计学 2020-02-25 Guowei Zhang , Tao Ren , Yifan Yang

The COVID 19 pandemic and ongoing political and regional conflicts have a highly detrimental impact on the global supply chain, causing significant delays in logistics operations and international shipments. One of the most pressing…

机器学习 · 计算机科学 2023-05-01 Mustafa Can Camur , Sandipp Krishnan Ravi , Shadi Saleh

Large language models (LLMs) achieve state-of-the-art accuracy on complex reasoning tasks by generating multiple chain-of-thought (CoT) traces, but using a fixed token budget per query leads to over-computation on easy inputs and…

人工智能 · 计算机科学 2026-02-03 Katrina Brown , Aneesh Muppidi , Rana Shahout

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…

统计金融 · 定量金融 2022-01-21 Carmina Fjellström

In this paper, we introduce a framework for solving finite-horizon multistage optimization problems under uncertainty in the presence of auxiliary data. We assume the joint distribution of the uncertain quantities is unknown, but noisy…

机器学习 · 统计学 2019-04-29 Dimitris Bertsimas , Christopher McCord

Quantifying the uncertainty in model parameters and output is a critical component in model-driven decision support systems for groundwater management. This paper presents a novel algorithmic approach which fuses Markov Chain Monte Carlo…

统计计算 · 统计学 2021-05-26 Mikkel B. Lykkegaard , Tim J. Dodwell , David Moxey

Deep learning methods have gained popularity in recent years through the media and the relative ease of implementation through open source packages such as Keras. We investigate the applicability of popular recurrent neural networks in…

应用统计 · 统计学 2023-01-05 Andrew T. Karl , James Wisnowski , Lambros Petropoulos

With the rapid growth of Internet services, recommendation systems play a central role in delivering personalized content. Faced with massive user requests and complex model architectures, the key challenge for real-time recommendation…

信息检索 · 计算机科学 2025-08-14 Junli Shao , Jing Dong , Dingzhou Wang , Kowei Shih , Dannier Li , Chengrui Zhou

Forecasting time series with extreme events has been a challenging and prevalent research topic, especially when the time series data are affected by complicated uncertain factors, such as is the case in hydrologic prediction. Diverse…

机器学习 · 计算机科学 2023-12-15 Yanhong Li , Jack Xu , David C. Anastasiu

The transition from standard generative AI to \emph{reasoning-centric architectures}, exemplified by models capable of extensive Chain-of-Thought~(CoT) processing, marks a fundamental paradigm shift in system requirements. Unlike…

分布式、并行与集群计算 · 计算机科学 2026-05-20 Moiz Arif , Avinash Maurya , Sudharshan Vazhkudai , Bogdan Nicolae

Much of modern practice in financial forecasting relies on technicals, an umbrella term for several heuristics applying visual pattern recognition to price charts. Despite its ubiquity in financial media, the reliability of its signals…

计算金融 · 定量金融 2018-07-12 Sid Ghoshal , Stephen J. Roberts

Supply chain disruptions and volatile demand pose significant challenges to the UK automotive industry, which relies heavily on Just-In-Time (JIT) manufacturing. While qualitative studies highlight the potential of integrating Artificial…

机器学习 · 统计学 2025-11-11 Muhammad Shahnawaz , Adeel Safder

Electricity is a volatile power source that requires great planning and resource management for both short and long term. More specifically, in the short-term, accurate instant energy consumption forecasting contributes greatly to improve…

人工智能 · 计算机科学 2022-07-05 Nuno Oliveira , Norberto Sousa , Isabel Praça

In the context of time series forecasting, it is a common practice to evaluate multiple methods and choose one of these methods or an ensemble for producing the best forecasts. However, choosing among different ensembles over multiple…

机器学习 · 计算机科学 2021-12-16 Himanshi Charotia , Abhishek Garg , Gaurav Dhama , Naman Maheshwari

This work presents a Long Short-Term Memory (LSTM) network for forecasting a monthly electricity demand time series with a one-year horizon. The novelty of this work is the use of pattern representation of the seasonal time series as an…

信号处理 · 电气工程与系统科学 2020-04-29 Paweł Pełka , Grzegorz Dudek

In this paper we investigate to what extent long short-term memory neural networks (LSTMs) are suitable for demand forecasting in the e-grocery retail sector. For this purpose, univariate as well as multivariate LSTM-based models were…

机器学习 · 计算机科学 2020-08-20 Marta Gołąbek , Robin Senge , Rainer Neumann
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