Search Results for author: Mohamed El Yafrani

Found 7 papers, 0 papers with code

On the Fitness Landscapes of Interdependency Models in the Travelling Thief Problem

no code implementations28 Feb 2022 Mohamed El Yafrani, Marcella Scoczynski, Myriam Delgado, Ricardo Lüders, Peter Nielsen, Markus Wagner

Since its inception in 2013, the Travelling Thief Problem (TTP) has been widely studied as an example of problems with multiple interconnected sub-problems.

Multi-layer local optima networks for the analysis of advanced local search-based algorithms

no code implementations29 Apr 2020 Marcella Scoczynski Ribeiro Martins, Mohamed El Yafrani, Myriam R. B. S. Delgado, Ricardo Luders

A Local Optima Network (LON) is a graph model that compresses the fitness landscape of a particular combinatorial optimization problem based on a specific neighborhood operator and a local search algorithm.

Combinatorial Optimization

MATE: A Model-based Algorithm Tuning Engine

no code implementations27 Apr 2020 Mohamed El Yafrani, Marcella Scoczynski Ribeiro Martins, Inkyung Sung, Markus Wagner, Carola Doerr, Peter Nielsen

In contrast to most static (feature-independent) algorithm tuning engines such as irace and SPOT, our approach aims to derive the best parameter configuration of a given algorithm for a specific problem, exploiting the relationships between the algorithm parameters and the features of the problem.

Symbolic Regression

A study of problems with multiple interdependent components - Part I

no code implementations1 Mar 2019 Mohamed El Yafrani

In fact, a PMIC can be considered simply as a single optimisation problem and the dependencies between components could be investigated by studying the decomposability of the problem and the correlations between the sub-problems.

Management

Étude de Problèmes d'Optimisation Combinatoire à Multiples Composantes Interdépendantes

no code implementations22 Jun 2016 Mohamed El Yafrani, Belaïd Ahiod

This extended abstract presents an overview on NP-hard optimization problems with multiple interdependent components.

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