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High-dimensional datasets depict a challenge for learning tasks in data mining and machine learning. Feature selection is an effective technique in dealing with dimensionality reduction. It is often an essential data processing step prior…

In this paper, we present a new adaptive feature scaling scheme for ultrahigh-dimensional feature selection on Big Data. To solve this problem effectively, we first reformulate it as a convex semi-infinite programming (SIP) problem and then…

机器学习 · 计算机科学 2019-12-17 Mingkui Tan , Ivor W. Tsang , Li Wang

This paper proposes an integrative approach to feature (input and output) selection in Data Envelopment Analysis (DEA). The DEA model is enriched with zero-one decision variables modelling the selection of features, yielding a Mixed Integer…

最优化与控制 · 数学 2020-03-02 Sandra Benítez-Peña , Peter Bogetoft , Dolores Romero Morales

Feature Selection (FS) plays an important role in learning and classification tasks. The object of FS is to select the relevant and non-redundant features. Considering the huge amount number of features in real-world applications, FS…

机器学习 · 计算机科学 2019-06-19 Fatma BenSaid , Adel M. Alimi

Large-scale Hierarchical Classification (HC) involves datasets consisting of thousands of classes and millions of training instances with high-dimensional features posing several big data challenges. Feature selection that aims to select…

机器学习 · 计算机科学 2017-06-07 Azad Naik , Huzefa Rangwala

In unsupervised ensemble learning, one obtains predictions from multiple sources or classifiers, yet without knowing the reliability and expertise of each source, and with no labeled data to assess it. The task is to combine these possibly…

机器学习 · 计算机科学 2016-02-24 Ariel Jaffe , Ethan Fetaya , Boaz Nadler , Tingting Jiang , Yuval Kluger

Audiology entities are using Machine Learning (ML) models to guide their screening towards people at risk. Feature Engineering (FE) focuses on optimizing data for ML models, with evolutionary methods being effective in feature selection and…

机器学习 · 计算机科学 2025-02-14 Miguel Rabuge , Nuno Lourenço

Microarray technology is known as one of the most important tools for collecting DNA expression data. This technology allows researchers to investigate and examine types of diseases and their origins. However, microarray data are often…

定量方法 · 定量生物学 2021-01-05 Babak Nouri-Moghaddam , Mehdi Ghazanfari , Mohammad Fathian

Ensembling is a simple and popular technique for boosting evaluation performance by training multiple models (e.g., with different initializations) and aggregating their predictions. This approach is commonly reserved for the largest…

机器学习 · 计算机科学 2020-05-05 Dan Kondratyuk , Mingxing Tan , Matthew Brown , Boqing Gong

Machine learning has recently been widely adopted to address the managerial decision making problems, in which the decision maker needs to be able to interpret the contributions of individual attributes in an explicit form. However, there…

机器学习 · 计算机科学 2019-10-28 Mengzhuo Guo , Qingpeng Zhang , Xiuwu Liao , Frank Youhua Chen , Daniel Dajun Zeng

The amount of information in the form of features and variables avail- able to machine learning algorithms is ever increasing. This can lead to classifiers that are prone to overfitting in high dimensions, high di- mensional models do not…

机器学习 · 计算机科学 2014-02-12 Aaron Karper

In multi-objective optimization problems, there might exist hidden objectives that are important to the decision-maker but are not being optimized. On the other hand, there might also exist irrelevant objectives that are being optimized but…

最优化与控制 · 数学 2022-06-06 Seyed Mahdi Shavarani , Manuel López-Ibáñez , Richard Allmendinger

Classification is one of the most studied tasks in data mining and machine learning areas and many works in the literature have been presented to solve classification problems for multiple fields of knowledge such as medicine, biology,…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Alvaro R. Ferreira , Fabio A. Faria , Gustavo Carneiro , Vinicius V. de Melo

We introduce a new method of performing high dimensional discriminant analysis, which we call multiDA. We achieve this by constructing a hybrid model that seamlessly integrates a multiclass diagonal discriminant analysis model and feature…

机器学习 · 统计学 2018-07-05 Sarah Elizabeth Romanes , John Thomas Ormerod , Jean YH Yang

Domain adaptive detection aims to improve the generalization of detectors on target domain. To reduce discrepancy in feature distributions between two domains, recent approaches achieve domain adaption through feature alignment in different…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Libo Zhang , Wenzhang Zhou , Heng Fan , Tiejian Luo , Haibin Ling

Automated Algorithm Selection (AAS) is a popular meta-algorithmic approach and has demonstrated to work well for single-objective optimisation in combination with exploratory landscape features (ELA), i.e., (numerical) descriptive features…

神经与进化计算 · 计算机科学 2026-02-03 Oliver Preuß , Jeroen Rook , Jakob Bossek , Heike Trautmann

In recent years, deep discriminative models have achieved extraordinary performance on supervised learning tasks, significantly outperforming their generative counterparts. However, their success relies on the presence of a large amount of…

计算机视觉与模式识别 · 计算机科学 2017-09-05 Gaurav Pandey , Ambedkar Dukkipati

Machine learning models work better when curated features are provided to them. Feature engineering methods have been usually used as a preprocessing step to obtain or build a proper feature set. In late years, autoencoders (a specific type…

神经与进化计算 · 计算机科学 2023-01-18 Francisco Charte , Antonio J. Rivera , Francisco Martínez , María J. del Jesus

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

Multi-Objective Evolutionary Algorithms (MOEAs) have been proved efficient to deal with Multi-objective Optimization Problems (MOPs). Until now tens of MOEAs have been proposed. The unified mode would provide a more systematic approach to…

神经与进化计算 · 计算机科学 2011-02-01 Bojin Zheng , Yuanxiang Li