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This study introduces a framework for the forecasting, reconstruction and feature engineering of multivariate processes along with its renewable energy applications. We integrate derivative-free optimization with an ensemble of…

Machine Learning · Computer Science 2020-03-03 Mohammad Pirhooshyaran , Katya Scheinberg , Lawrence V. Snyder

Feature selection is a pattern recognition approach to choose important variables according to some criteria to distinguish or explain certain phenomena. There are many genomic and proteomic applications which rely on feature selection to…

Computer Vision and Pattern Recognition · Computer Science 2011-06-13 Fabricio Martins Lopes , David Correa Martins-Jr , Roberto M. Cesar-Jr

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…

Machine Learning · Computer Science 2018-11-06 Rafael M. O. Cruz , Robert Sabourin , George D. C. Cavalcanti

Feature selection is an important task in many problems occurring in pattern recognition, bioinformatics, machine learning and data mining applications. The feature selection approach enables us to reduce the computation burden and the…

Machine Learning · Computer Science 2016-08-30 Hadi Zare , Mojtaba Niazi

In this paper, a new feature selection algorithm, called SFE (Simple, Fast, and Efficient), is proposed for high-dimensional datasets. The SFE algorithm performs its search process using a search agent and two operators: non-selection and…

Data selection is critical for enhancing the performance of language models, particularly when aligning training datasets with a desired target distribution. This study explores the effects of different data selection methods and feature…

Computation and Language · Computer Science 2025-01-08 Jiayao Gu , Liting Chen , Yihong Li

Visual exploration of high-dimensional real-valued datasets is a fundamental task in exploratory data analysis (EDA). Existing methods use predefined criteria to choose the representation of data. There is a lack of methods that (i) elicit…

Machine Learning · Statistics 2021-11-08 Kai Puolamäki , Emilia Oikarinen , Bo Kang , Jefrey Lijffijt , Tijl De Bie

Graph coloring is a challenging combinatorial optimization problem with a wide range of applications. In this paper, a distribution evolutionary algorithm based on a population of probability model (DEA-PPM) is developed to address it…

Neural and Evolutionary Computing · Computer Science 2023-05-03 Yongjian Xu , Huabin Cheng , Ning Xu , Yu Chen , Chengwang Xie

A decomposition-based multi-objective evolutionary algorithm with a differential evolution variation operator (MOEA/D-DE) shows high performance on challenging multi-objective problems (MOPs). The DE mutation consists of three key…

Neural and Evolutionary Computing · Computer Science 2020-10-02 Ryoji Tanabe , Hisao Ishibuchi

Intrusion detection system (IDS) is one of extensively used techniques in a network topology to safeguard the integrity and availability of sensitive assets in the protected systems. Although many supervised and unsupervised learning…

Cryptography and Security · Computer Science 2020-04-03 Yuyang Zhou , Guang Cheng , Shanqing Jiang , Mian Dai

Iterative feature space optimization involves systematically evaluating and adjusting the feature space to improve downstream task performance. However, existing works suffer from three key limitations:1) overlooking differences among data…

Machine Learning · Computer Science 2026-05-26 Yanping Wu , Yanyong Huang , Zhengzhang Chen , Zijun Yao , Yanjie Fu , Kunpeng Liu , Xiao Luo , Dongjie Wang

Reducing the computational time to process large data sets in Data Envelopment Analysis (DEA) is the objective of many studies. Contributions include fundamentally innovative procedures, new or improved preprocessors, and hybridization…

Optimization and Control · Mathematics 2024-07-23 Gregory Koronakos , Jose H Dula , Dimitris K Despotis

Analyzing electromagnetic fields in complex, multi-material environments presents substantial computational challenges. To address these, we propose a hybrid numerical method that couples discrete exterior calculus (DEC) with surface…

Numerical Analysis · Mathematics 2026-02-09 Amgad Abdrabou , Luis J. Gomez

Data visualization is one of the major applications of nonlinear dimensionality reduction. From the information retrieval perspective, the quality of a visualization can be evaluated by considering the extent that the neighborhood relation…

Information Retrieval · Computer Science 2016-03-31 Ehsan Amid , Onur Dikmen , Erkki Oja

In experiments and in simulations, the free energy of a state of a system can be determined from the probability that the state is occupied. However, it is often necessary to impose a biasing potential on the system so that high energy…

Biomolecules · Quantitative Biology 2015-06-05 Arthur La Porta , Natalia A. Denesyuk , Michel de Messieres

This work proposes an automatic methodology for modeling complex systems. Our methodology is based on the combination of Grammatical Evolution and classical regression to obtain an optimal set of features that take part of a linear and…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-07-02 Patricia Arroba , José L. Risco-Martín , Marina Zapater , José M. Moya , José L. Ayala

Owing to the emergence of large datasets, applying current sequential wrapper-based feature subset selection (FSS) algorithms increases the complexity. This limitation motivated us to propose a wrapper for feature subset selection (FSS)…

Neural and Evolutionary Computing · Computer Science 2022-10-28 Yelleti Vivek , Vadlamani Ravi , Pisipati Radhakrishna

Feature selection, as a critical pre-processing step for machine learning, aims at determining representative predictors from a high-dimensional feature space dataset to improve the prediction accuracy. However, the increase in feature…

Machine Learning · Statistics 2020-11-16 Fatemeh Amini , Guiping Hu

Data Augmentation (DA) has become an essential tool to improve robustness and generalization of modern machine learning. However, when deciding on DA strategies it is critical to choose parameters carefully, and this can be a daunting task…

Machine Learning · Computer Science 2026-03-04 Madi Matymov , Ba-Hien Tran , Michael Kampffmeyer , Markus Heinonen , Maurizio Filippone

%% Text of abstract The process of identifying the most suitable optimization algorithm for a specific problem, referred to as algorithm selection (AS), entails training models that leverage problem landscape features to forecast algorithm…

Machine Learning · Computer Science 2025-01-30 Gjorgjina Cenikj , Gašper Petelin , Moritz Seiler , Nikola Cenikj , Tome Eftimov