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This work focuses on the development of a new class of high-order accurate methods for multirate time integration of systems of ordinary differential equations. The proposed methods are based on a specific subset of explicit one-step…

数值分析 · 数学 2019-04-16 Vu Thai Luan , Rujeko Chinomona , Daniel R. Reynolds

Accurate forecasts of macroeconomic and financial data, such as GDP, CPI, unemployment rates, and stock indices, are crucial for the success of countries, businesses, and investors, resulting in a constant demand for reliable forecasting…

统计方法学 · 统计学 2025-10-27 Tomasz M. Łapiński , Krzysztof Ziółkowski

Distributed execution of deep learning training involves a dynamic interplay between hardware accelerator architecture and device placement strategy. This is the first work to explore the co-optimization of determining the optimal…

机器学习 · 计算机科学 2024-07-19 Irene Wang , Jakub Tarnawski , Amar Phanishayee , Divya Mahajan

This article presents a Benchmarking methodology to support decision-making for international market selection (IMS). In order to do so, we will be using an output-oriented Data Envelopment Analysis (DEA) model. This methodology considers…

统计金融 · 定量金融 2021-10-08 Safa El Kefi

The promise of machine learning has been explored in a variety of scientific disciplines in the last few years, however, its application on first-principles based computationally expensive tools is still in nascent stage. Even with the…

数据分析、统计与概率 · 物理学 2019-07-16 Prashant Kumar , Kushal Sinha , Nandkishor Nere , Yujin Shin , Raimundo Ho , Ahmad Sheikh , Laurie Mlinar

We propose a modification of the improved cross entropy (iCE) method to enhance its performance for network reliability assessment. The iCE method performs a transition from the nominal density to the optimal importance sampling (IS)…

应用统计 · 统计学 2022-11-18 Jianpeng Chan , Iason Papaioannou , Daniel Straub

Dynamic ensemble selection (DES) techniques work by estimating the level of competence of each classifier from a pool of classifiers. Only the most competent ones are selected to classify a given test sample. Hence, the key issue in DES is…

机器学习 · 计算机科学 2015-09-14 Rafael M. O. Cruz , Robert Sabourin , George D. C. Cavalcanti

This paper presents a novel approach of leveraging Inter-Annotator Agreement (IAA), traditionally used for assessing labeling consistency, to optimize Data Management Operations (DMOps). We advocate for the use of IAA in predicting the…

计算与语言 · 计算机科学 2023-06-27 Damrin Kim , NamHyeok Kim , Chanjun Park , Harksoo Kim

Data assimilation (DA) methods use priors arising from differential equations to robustly interpolate and extrapolate data. Popular techniques such as ensemble methods that handle high-dimensional, nonlinear PDE priors focus mostly on state…

机器学习 · 统计学 2024-06-05 Rafael Anderka , Marc Peter Deisenroth , So Takao

Automated Machine Learning (AutoML) significantly simplifies the deployment of machine learning models by automating tasks from data preprocessing to model selection to ensembling. AutoML systems for tabular data often employ post hoc…

机器学习 · 计算机科学 2024-08-06 Jannis Maier , Felix Möller , Lennart Purucker

Existing benchmarks for analytical database systems such as TPC-DS and TPC-H are designed for static reporting scenarios. The main metric of these benchmarks is the performance of running individual SQL queries over a synthetic database. In…

数据库 · 计算机科学 2018-04-10 Philipp Eichmann , Carsten Binnig , Tim Kraska , Emanuel Zgraggen

The Heuristic Ratio Estimation (HRE) approach proposes a new way of using the pairwise comparisons matrix. It allows the assumption that the weights of some alternatives (herein referred to as concepts) are known and fixed, hence the weight…

离散数学 · 计算机科学 2015-09-25 Konrad Kułakowski

Developing a structured method for analyzing various aspects of a system requires a novel methodology. This study is aimed at developing such as methodology through combining two major matrix methods, namely, Design Structure Matrix (DSM)…

系统与控制 · 电气工程与系统科学 2019-07-02 Hossein Sabzian , Seyyed Mostafa Seyyed Hashemi , Ehsan Kamrani

Many existing data mining algorithms use feature values directly in their model, making them sensitive to units/scales used to measure/represent data. Pre-processing of data based on rank transformation has been suggested as a potential…

机器学习 · 计算机科学 2021-11-09 Arbind Agrahari Baniya , Sunil Aryal , Santosh KC

Predicting keywords performance, such as number of impressions, click-through rate (CTR), conversion rate (CVR), revenue per click (RPC), and cost per click (CPC), is critical for sponsored search in the online advertising industry. An…

机器学习 · 统计学 2018-09-10 Yuan Yuan , Xiaojing Dong , Chen Dong , Yiwen Sun , Zhenyu Yan , Abhishek Pani

One of the basic tasks which is responded for head of each university department, is employing lecturers based on some default factors such as experience, evidences, qualifies and etc. In this respect, to help the heads, some automatic…

人工智能 · 计算机科学 2013-08-05 Shervan Fekri-Ershad , Hadi Tajalizadeh , Shahram Jafari

In this paper, we develop an ensemble-based time-stepping algorithm to efficiently find numerical solutions to a group of linear, second-order parabolic partial differential equations (PDEs). Particularly, the PDE models in the group could…

数值分析 · 数学 2017-10-18 Yan Luo , Zhu Wang

In this paper, we propose, analyze, and test a new fully discrete, efficient, decoupled, stable, and practically second-order time-stepping algorithm for computing MHD ensemble flow averages under uncertainties in the initial conditions and…

数值分析 · 数学 2021-01-19 Muhammad Mohebujjaman

In this paper, an efficient divide-and-conquer (DC) algorithm is proposed for the symmetric tridiagonal matrices based on ScaLAPACK and the hierarchically semiseparable (HSS) matrices. HSS is an important type of rank-structured…

数学软件 · 计算机科学 2016-12-27 Shengguo Li , Francois-Henry Rouet , Jie Liu , Chun Huang , Xingyu Gao , Xuebin Chi

This paper deals with an improved version of the deck of the cards method to render the construction of the ratio and interval scales more `accurate'. The improvement comes from the fact that we can account for a richer and finer preference…

最优化与控制 · 数学 2019-04-03 Salvatore Corrente , José Rui Figueira , Salvatore Greco