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Dynamic ensemble selection systems 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. This is achieved by defining a criterion…

机器学习 · 计算机科学 2020-03-06 Rafael M. O. Cruz , Robert Sabourin , George D. C. Cavalcanti , Tsang Ing Ren

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

In Dynamic Ensemble Selection (DES) techniques, only the most competent classifiers are selected to classify a given query sample. Hence, the key issue in DES is how to estimate the competence of each classifier in a pool to select the most…

机器学习 · 计算机科学 2018-11-06 Rafael M. O. Cruz , Robert Sabourin , George D. C. Cavalcanti

The ensemble methods are meta-algorithms that combine several base machine learning techniques to increase the effectiveness of the classification. Many existing committees of classifiers use the classifier selection process to determine…

机器学习 · 计算机科学 2021-06-15 Robert Burduk

In dynamic selection (DS) techniques, only the most competent classifiers, for the classification of a specific test sample are selected to predict the sample's class labels. The more important step in DES techniques is estimating the…

机器学习 · 计算机科学 2018-11-05 Rafael M. O. Cruz , Robert Sabourin , George D. C. Cavalcanti

The key issue in Dynamic Ensemble Selection (DES) is defining a suitable criterion for calculating the classifiers' competence. There are several criteria available to measure the level of competence of base classifiers, such as local…

机器学习 · 计算机科学 2018-11-02 Rafael M. O Cruz , Robert Sabourin , George D. C. Cavalcanti

Ensemble methods are known for enhancing the accuracy and robustness of machine learning models by combining multiple base learners. However, standard approaches like greedy or random ensembling often fall short, as they assume a constant…

机器学习 · 计算机科学 2025-06-24 Sebastian Pineda Arango , Maciej Janowski , Lennart Purucker , Arber Zela , Frank Hutter , Josif Grabocka

Dynamic Ensemble Selection (DES) is a Multiple Classifier Systems (MCS) approach that aims to select an ensemble for each query sample during the selection phase. Even with the proposal of several DES approaches, no particular DES technique…

机器学习 · 计算机科学 2023-09-27 Paulo R. G. Cordeiro , George D. C. Cavalcanti , Rafael M. O. Cruz

Dynamic Selection (DS), where base classifiers are chosen from a classifier's pool for each new instance at test time, has shown to be highly effective in pattern recognition. However, instability and redundancy in the classifier pools can…

机器学习 · 计算机科学 2024-07-11 Hesam Jalalian , Rafael M. O. Cruz

The Ensemble of Classifiers (EoC) has been shown to be effective in improving the performance of single classifiers by combining their outputs, and one of the most important properties involved in the selection of the best EoC from a pool…

机器学习 · 计算机科学 2014-08-14 Albert H. R. Ko , Robert Sabourin , Alceu S. Britto , Luiz E. S. Oliveira

The emerging availability of trained machine learning models has put forward the novel concept of Machine Learning Model Market in which one can harness the collective intelligence of multiple well-trained models to improve the performance…

机器学习 · 计算机科学 2023-02-24 Naibo Wang , Wenjie Feng , Fusheng Liu , Moming Duan , See-Kiong Ng

Automating machine learning has achieved remarkable technological developments in recent years, and building an automated machine learning pipeline is now an essential task. The model ensemble is the technique of combining multiple models…

机器学习 · 计算机科学 2022-07-21 Yunpu Zhao , Rui Zhang , Xiaqing Li

Model selection is a strategy aimed at creating accurate and robust models. A key challenge in designing these algorithms is identifying the optimal model for classifying any particular input sample. This paper addresses this challenge and…

机器学习 · 计算机科学 2023-05-22 James Kotary , Vincenzo Di Vito , Ferdinando Fioretto

A system of nested dichotomies is a method of decomposing a multi-class problem into a collection of binary problems. Such a system recursively splits the set of classes into two subsets, and trains a binary classifier to distinguish…

机器学习 · 统计学 2016-07-06 Tim Leathart , Bernhard Pfahringer , Eibe Frank

Distributed ensemble learning (DEL) involves training multiple models at distributed learners, and then combining their predictions to improve performance. Existing related studies focus on DEL algorithm design and optimization but ignore…

计算机科学与博弈论 · 计算机科学 2023-10-16 Chao Huang , Pengchao Han , Jianwei Huang

In this paper, we propose a novel dynamic ensemble selection framework using meta-learning. The framework is divided into three steps. In the first step, the pool of classifiers is generated from the training data. The second phase is…

机器学习 · 计算机科学 2018-11-06 Rafael M. O. Cruz , Robert Sabourin , George D. C. Cavalcanti

Recommending appropriate algorithms to a classification problem is one of the most challenging issues in the field of data mining. The existing algorithm recommendation models are generally constructed on only one kind of meta-features by…

信息检索 · 计算机科学 2021-06-08 Guangtao Wang , Qinbao Song , Xiaoyan Zhu

The combination of multiple classifiers using ensemble methods is increasingly important for making progress in a variety of difficult prediction problems. We present a comparative analysis of several ensemble methods through two case…

机器学习 · 计算机科学 2013-09-20 Sean Whalen , Gaurav Pandey

We present a novel approach for the construction of ensemble classifiers based on dimensionality reduction. Dimensionality reduction methods represent datasets using a small number of attributes while preserving the information conveyed by…

机器学习 · 计算机科学 2013-05-21 Alon Schclar , Lior Rokach , Amir Amit

This paper proposes a simple yet powerful ensemble classifier, called Random Hyperboxes, constructed from individual hyperbox-based classifiers trained on the random subsets of sample and feature spaces of the training set. We also show a…

机器学习 · 计算机科学 2022-04-05 Thanh Tung Khuat , Bogdan Gabrys
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