Search Results for author: Alejandro Martin

Found 4 papers, 2 papers with code

An Effective Networks Intrusion Detection Approach Based on Hybrid Harris Hawks and Multi-Layer Perceptron

no code implementations21 Feb 2024 Moutaz Alazab, Ruba Abu Khurma, Pedro A. Castillo, Bilal Abu-Salih, Alejandro Martin, David Camacho

This paper proposes an Intrusion Detection System (IDS) employing the Harris Hawks Optimization algorithm (HHO) to optimize Multilayer Perceptron learning by optimizing bias and weight parameters.

Evolutionary Algorithms Intrusion Detection +1

Understanding writing style in social media with a supervised contrastively pre-trained transformer

1 code implementation17 Oct 2023 Javier Huertas-Tato, Alejandro Martin, David Camacho

Additionally, we attain promising results on PAN verification challenges using a single dense layer, with our model serving as an embedding encoder.

PART: Pre-trained Authorship Representation Transformer

1 code implementation30 Sep 2022 Javier Huertas-Tato, Alvaro Huertas-Garcia, Alejandro Martin, David Camacho

The model is evaluated on these datasets, achieving zero-shot 72. 39\% and 86. 73\% accuracy and top-5 accuracy respectively on the joint evaluation dataset when determining authorship from a set of 250 different authors.

Zero-shot Generalization

BERTuit: Understanding Spanish language in Twitter through a native transformer

no code implementations7 Apr 2022 Javier Huertas-Tato, Alejandro Martin, David Camacho

Our motivation is to provide a powerful resource to better understand Spanish Twitter and to be used on applications focused on this social network, with special emphasis on solutions devoted to tackle the spreading of misinformation in this platform.

Misinformation

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