activity
20182022
collaborators

5 papers

cs.SI2022

Comparing Global Tourism Flows Measured by Official Census and Social Sensing

Lucas Skora, Helen Senefonte, Myriam Delgado +2

A better understanding of the behavior of tourists is strategic for improving services in the competitive and important economic segment of global tourism. Critical studies in the…

cs.AI2022

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

Mohamed El Yafrani, Marcella Scoczynski, Myriam Delgado +3

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

cs.NE2020

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

Marcella Scoczynski Ribeiro Martins, Mohamed El Yafrani, Myriam R. B. S. Delgado +1

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…

cs.LG2019

On resampling vs. adjusting probabilistic graphical models in estimation of distribution algorithms

Mohamed El Yafrani, Marcella S. R. Martins, Myriam R. B. S. Delgado +3

The Bayesian Optimisation Algorithm (BOA) is an Estimation of Distribution Algorithm (EDA) that uses a Bayesian network as probabilistic graphical model (PGM). Determining the opti…

cs.AI2018

On the performance of multi-objective estimation of distribution algorithms for combinatorial problems

Marcella S. R. Martins, Mohamed El Yafrani, Roberto Santana +3

Fitness landscape analysis investigates features with a high influence on the performance of optimization algorithms, aiming to take advantage of the addressed problem characterist…