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Ensemble techniques have demonstrated remarkable success in improving predictive performance across various domains by aggregating predictions from multiple models [1]. In the realm of recommender systems, this research explores the…

信息检索 · 计算机科学 2024-07-09 Zainil Mehta , Tobias Vente

Model ensembling is a well-established technique for improving the performance of machine learning models. Conventionally, this involves averaging the output distributions of multiple models and selecting the most probable label. This idea…

机器学习 · 计算机科学 2026-05-26 Jiale Fu , Yuchu Jiang , Peijun Wu , Chonghan Liu , Joey Tianyi Zhou , Xu Yang

Predicting the direction of assets have been an active area of study and a difficult task. Machine learning models have been used to build robust models to model the above task. Ensemble methods is one of them showing results better than a…

机器学习 · 统计学 2019-02-25 Avinash Barnwal , Hari Pad Bharti , Aasim Ali , Vishal Singh

Introduction. We investigate the generalization ability of models built on datasets containing a small number of subjects, recorded in single study protocols. Next, we propose and evaluate methods combining these datasets into a single,…

机器学习 · 计算机科学 2023-12-05 Gideon Vos , Kelly Trinh , Zoltan Sarnyai , Mostafa Rahimi Azghadi

Information technology has spread widely, and extraordinarily large amounts of data have been made accessible to users, which has made it challenging to select data that are in accordance with user needs. For the resolution of the above…

信息检索 · 计算机科学 2020-08-05 Saman Forouzandeh , Mehrdad Rostami , Kamal Berahmand

Machine learning (ML) algorithms have been employed in the problem of classifying signal and background events with high accuracy in particle physics. In this paper, we compare the performance of a widespread ML technique, namely,…

高能物理 - 唯象学 · 物理学 2017-06-01 Alexandre Alves

It is increasingly common to encounter prediction tasks in the biomedical sciences for which multiple datasets are available for model training. Common approaches such as pooling datasets and applying standard statistical learning methods…

机器学习 · 统计学 2021-10-05 Gabriel Loewinger , Rolando Acosta Nunez , Rahul Mazumder , Giovanni Parmigiani

Model performance evaluation is a critical and expensive task in machine learning and computer vision. Without clear guidelines, practitioners often estimate model accuracy using a one-time completely random selection of the data. However,…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Riccardo Fogliato , Pratik Patil , Mathew Monfort , Pietro Perona

Stacking is a widely used model averaging technique that asymptotically yields optimal predictions among linear averages. We show that stacking is most effective when model predictive performance is heterogeneous in inputs, and we can…

统计方法学 · 统计学 2021-10-29 Yuling Yao , Gregor Pirš , Aki Vehtari , Andrew Gelman

Customer reviews play a crucial role in assessing customer satisfaction, gathering feedback, and driving improvements for businesses. Analyzing these reviews provides valuable insights into customer sentiments, including compliments,…

计算与语言 · 计算机科学 2023-08-23 Anusuya Krishnan

Ensembles of classifier models typically deliver superior performance and can outperform single classifier models given a dataset and classification task at hand. However, the gain in performance comes together with the lack in…

人机交互 · 计算机科学 2017-10-23 Bruno Schneider , Dominik Jäckle , Florian Stoffel , Alexandra Diehl , Johannes Fuchs , Daniel Keim

Deep learning based approaches have achieved significant progresses in different tasks like classification, detection, segmentation, and so on. Ensemble learning is widely known to further improve performance by combining multiple…

计算机视觉与模式识别 · 计算机科学 2019-05-17 Danlu Chen , Xu-Yao Zhang , Wei Zhang , Yao Lu , Xiuli Li , Tao Mei

Ensemble learning combines several individual models to obtain better generalization performance. Currently, deep learning architectures are showing better performance compared to the shallow or traditional models. Deep ensemble learning…

机器学习 · 计算机科学 2022-08-09 M. A. Ganaie , Minghui Hu , A. K. Malik , M. Tanveer , P. N. Suganthan

Ensembling is a popular and effective method for improving machine learning (ML) models. It proves its value not only in classical ML but also for deep learning. Ensembles enhance the quality and trustworthiness of ML solutions, and allow…

机器学习 · 计算机科学 2022-06-28 Polina Proscura , Alexey Zaytsev

Recent studies have shown that ensemble approaches could not only improve accuracy and but also estimate model uncertainty in deep learning. However, it requires a large number of parameters according to the increase of ensemble models for…

计算机视觉与模式识别 · 计算机科学 2020-05-25 Hong Joo Lee , Seong Tae Kim , Hakmin Lee , Nassir Navab , Yong Man Ro

Stacked generalization is a general method of using a high-level model to combine lower-level models to achieve greater predictive accuracy. In this paper we address two crucial issues which have been considered to be a `black art' in…

人工智能 · 计算机科学 2011-05-30 K. M. Ting , I. H. Witten

Video summarization methods are usually classified into shot-level or frame-level methods, which are individually used in a general way. This paper investigates the underlying complementarity between the frame-level and shot-level methods,…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Yubo An , Shenghui Zhao , Guoqiang Zhang

Stacking regressions is an ensemble technique that forms linear combinations of different regression estimators to enhance predictive accuracy. The conventional approach uses cross-validation data to generate predictions from the…

机器学习 · 统计学 2024-10-10 Xin Chen , Jason M. Klusowski , Yan Shuo Tan

This study uses stacked generalization, which is a two-step process of combining machine learning methods, called meta or super learners, for improving the performance of algorithms in step one (by minimizing the error rate of each…

机器学习 · 计算机科学 2020-04-07 Kathleen Kerwin , Nathaniel D. Bastian

Machine Learning (ML) has been successfully applied to a wide range of domains and applications. One of the techniques behind most of these successful applications is Ensemble Learning (EL), the field of ML that gave birth to methods such…

机器学习 · 统计学 2017-06-29 Fábio Pinto , Vítor Cerqueira , Carlos Soares , João Mendes-Moreira