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相关论文: Enhancing Retail Sales Forecasting with Optimized …

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Today, many users deploy their microservice-based applications with various interconnections on a cluster of Cloud machines, subject to stochastic changes due to dynamic user requirements. To address this problem, we compare three machine…

分布式、并行与集群计算 · 计算机科学 2024-01-09 Narges Mehran , Arman Haghighi , Pedram Aminharati , Nikolay Nikolov , Ahmet Soylu , Dumitru Roman , Radu Prodan

This paper introduces an approach to reference class selection in distributional forecasting with an application to corporate sales growth rates using several co-variates as reference variables, that are implicit predictors. The method can…

统计金融 · 定量金融 2024-05-07 Etienne Theising

Retail sales forecasting presents a significant challenge for large retailers such as Walmart and Amazon, due to the vast assortment of products, geographical location heterogeneity, seasonality, and external factors including weather,…

机器学习 · 计算机科学 2023-09-06 Tong Zhou

Classification is a common task in machine learning. Random features (RFs) stand as a central technique for scalable learning algorithms based on kernel methods, and more recently proposed optimized random features, sampled depending on the…

量子物理 · 物理学 2022-06-15 Hayata Yamasaki , Sho Sonoda

Prediction of stock prices plays a significant role in aiding the decision-making of investors. Considering its importance, a growing literature has emerged trying to forecast stock prices with improved accuracy. In this study, we introduce…

统计金融 · 定量金融 2023-11-14 Md Sabbirul Haque , Md Shahedul Amin , Jonayet Miah , Duc Minh Cao , Ashiqul Haque Ahmed

This paper proposes a hybrid framework combining LSTM (Long Short-Term Memory) networks with LightGBM and CatBoost for stock price prediction. The framework processes time-series financial data and evaluates performance using seven models:…

机器学习 · 计算机科学 2025-05-30 Chang Yu , Fang Liu , Jie Zhu , Shaobo Guo , Yifan Gao , Zhongheng Yang , Meiwei Liu , Qianwen Xing

Rising global energy demand from population growth raises concerns about the sustainability of fossil fuels. Consequently, the energy sector has increasingly transitioned to renewable energy sources like solar and wind, which are naturally…

系统与控制 · 电气工程与系统科学 2025-09-30 Afsaneh Mollasalehi , Armin Farhadi

In nature, the behaviors of many complex systems can be described by parsimonious math equations. Automatically distilling these equations from limited data is cast as a symbolic regression process which hitherto remains a grand challenge.…

机器学习 · 计算机科学 2023-05-25 Yilong Xu , Yang Liu , Hao Sun

In this paper, an improved method for VR user experience prediction is investigated by introducing a sparrow search algorithm and a random forest algorithm improved by an iterative local search-optimised sparrow search algorithm. The study…

机器学习 · 计算机科学 2024-06-26 Xirui Tang , Feiyang Li , Zinan Cao , Qixuan Yu , Yulu Gong

This article provides an overview of Supervised Machine Learning (SML) with a focus on applications to banking. The SML techniques covered include Bagging (Random Forest or RF), Boosting (Gradient Boosting Machine or GBM) and Neural…

综合金融 · 定量金融 2020-08-11 Linwei Hu , Jie Chen , Joel Vaughan , Hanyu Yang , Kelly Wang , Agus Sudjianto , Vijayan N. Nair

In modern astrophysics, the machine learning has increasingly gained more popularity with its incredibly powerful ability to make predictions or calculated suggestions for large amounts of data. We describe an application of the supervised…

星系天体物理 · 物理学 2018-12-26 Yu Bai , JiFeng Liu , Song Wang , Fan Yang

Choosing the technique that is the best at forecasting your data, is a problem that arises in any forecasting application. Decades of research have resulted into an enormous amount of forecasting methods that stem from statistics,…

计量经济学 · 经济学 2020-02-05 Tine Van Calster , Filip Van den Bossche , Bart Baesens , Wilfried Lemahieu

Predictive autoscaling (autoscaling with workload forecasting) is an important mechanism that supports autonomous adjustment of computing resources in accordance with fluctuating workload demands in the Cloud. In recent works, Reinforcement…

Accurate and fast demand forecast is one of the hot topics in supply chain for enabling the precise execution of the corresponding downstream processes (inbound and outbound planning, inventory placement, network planning, etc). We develop…

Machine Learning (ML) algorithms have been used for assessing soil quality parameters along with non-destructive methodologies. Among spectroscopic analytical methodologies, energy dispersive X-ray fluorescence (EDXRF) is one of the more…

Optimization modeling and solving are fundamental to the application of Operations Research (OR) in real-world decision making, yet the process of translating natural language problem descriptions into formal models and solver code remains…

人工智能 · 计算机科学 2025-11-13 Zezhen Ding , Zhen Tan , Jiheng Zhang , Tianlong Chen

This paper compares the performances of three supervised machine learning algorithms in terms of predictive ability and model interpretation on structured or tabular data. The algorithms considered were scikit-learn implementations of…

机器学习 · 统计学 2022-05-06 Alice J. Liu , Arpita Mukherjee , Linwei Hu , Jie Chen , Vijayan N. Nair

Unlike the ordinary least-squares (OLS) estimator for the linear model, a ridge regression linear model provides coefficient estimates via shrinkage, usually with improved mean-square and prediction error. This is true especially when the…

统计方法学 · 统计学 2015-06-25 George Karabatsos

This paper presents a comprehensive study on stock price prediction, leveragingadvanced machine learning (ML) and deep learning (DL) techniques to improve financial forecasting accuracy. The research evaluates the performance of various…

统计金融 · 定量金融 2025-02-25 Daksh Dave , Gauransh Sawhney , Vikhyat Chauhan

Even at the beginning of 2008, the economic recession of 2008/09 was not being predicted. The failure to predict recessions is a persistent theme in economic forecasting. The Survey of Professional Forecasters (SPF) provides data on…

综合金融 · 定量金融 2017-01-06 Rickard Nyman , Paul Ormerod