Search Results for author: Alexander Mendiburu

Found 16 papers, 2 papers with code

Light up that Droid! On the Effectiveness of Static Analysis Features against App Obfuscation for Android Malware Detection

no code implementations24 Oct 2023 Borja Molina-Coronado, Antonio Ruggia, Usue Mori, Alessio Merlo, Alexander Mendiburu, Jose Miguel-Alonso

Therefore, it needs to be determined to what extent the use of a specific obfuscation strategy or tool poses a risk for the validity of ML malware detectors for Android based on static analysis features.

Android Malware Detection Malware Detection

Neural Improvement Heuristics for Graph Combinatorial Optimization Problems

1 code implementation1 Jun 2022 Andoni I. Garmendia, Josu Ceberio, Alexander Mendiburu

Conducted experiments demonstrate that the proposed model can recommend neighborhood operations that outperform conventional versions for the Preference Ranking Problem with a performance in the 99th percentile.

Combinatorial Optimization graph partitioning +2

Neural Combinatorial Optimization: a New Player in the Field

no code implementations3 May 2022 Andoni I. Garmendia, Josu Ceberio, Alexander Mendiburu

Neural Combinatorial Optimization attempts to learn good heuristics for solving a set of problems using Neural Network models and Reinforcement Learning.

Combinatorial Optimization

Redefining Neural Architecture Search of Heterogeneous Multi-Network Models by Characterizing Variation Operators and Model Components

no code implementations16 Jun 2021 Unai Garciarena, Roberto Santana, Alexander Mendiburu

In this paper, we investigate the effect of different variation operators in a complex domain, that of multi-network heterogeneous neural models.

Neural Architecture Search

On the Exploitation of Neuroevolutionary Information: Analyzing the Past for a More Efficient Future

no code implementations26 May 2021 Unai Garciarena, Nuno Lourenço, Penousal Machado, Roberto Santana, Alexander Mendiburu

Neuroevolutionary algorithms, automatic searches of neural network structures by means of evolutionary techniques, are computationally costly procedures.

Survey of Network Intrusion Detection Methods from the Perspective of the Knowledge Discovery in Databases Process

no code implementations27 Jan 2020 Borja Molina-Coronado, Usue Mori, Alexander Mendiburu, José Miguel-Alonso

As such, we discuss the techniques used for the capture, preparation and transformation of the data, as well as, the data mining and evaluation methods.

Network Intrusion Detection

Evolving Gaussian Process kernels from elementary mathematical expressions

no code implementations11 Oct 2019 Ibai Roman, Roberto Santana, Alexander Mendiburu, Jose A. Lozano

Gaussian Process is a state-of-the-art technique for regression and classification that heavily relies on a kernel function.

Time Series Time Series Analysis

Sentiment analysis with genetically evolved Gaussian kernels

no code implementations1 Apr 2019 Ibai Roman, Alexander Mendiburu, Roberto Santana, Jose A. Lozano

Our results show that the algorithm can outperform Gaussian Processes with traditional kernels for some of the sentiment analysis tasks considered.

Gaussian Processes Sentiment Analysis

Towards automatic construction of multi-network models for heterogeneous multi-task learning

no code implementations21 Mar 2019 Unai Garciarena, Alexander Mendiburu, Roberto Santana

Multi-task learning, as it is understood nowadays, consists of using one single model to carry out several similar tasks.

Atari Games Multi-Task Learning

Expanding variational autoencoders for learning and exploiting latent representations in search distributions

no code implementations1 Jul 2018 Unai Garciarena, Roberto Santana, Alexander Mendiburu

In the past, evolutionary algorithms (EAs) that use probabilistic modeling of the best solutions incorporated latent or hidden vari- ables to the models as a more accurate way to represent the search distributions.

Evolutionary Algorithms

MOEA/D-GM: Using probabilistic graphical models in MOEA/D for solving combinatorial optimization problems

no code implementations18 Nov 2015 Murilo Zangari de Souza, Roberto Santana, Aurora Trinidad Ramirez Pozo, Alexander Mendiburu

Evolutionary algorithms based on modeling the statistical dependencies (interactions) between the variables have been proposed to solve a wide range of complex problems.

Combinatorial Optimization Evolutionary Algorithms

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