activity
20202026
most citedStatistical Analysis of Risk Assessment Factors and Metrics to Evaluate Radicalisation in Twitter

45 citations · 147 across the 11 of their papers we have counts for

collaborators

11 papers

cs.CL2026

Automated ICD Classification of Psychiatric Diagnoses: From Classical NLP to Large Language Models

Fernando Ortega, Raúl Lara-Cabrera, Jorge Dueñas-Lerín +3

Mental health has become a global priority, leading to a massive administrative burden in the coding of clinical diagnoses. This study proposes the automation of psychiatric diagno…

cs.LG2025

Efficient n-body simulations using physics informed graph neural networks

Víctor Ramos-Osuna, Alberto Díaz-Álvarez, Raúl Lara-Cabrera

This paper presents a novel approach for accelerating n-body simulations by integrating a physics-informed graph neural networks (GNN) with traditional numerical methods. Our metho…

cs.SI2025★ 45 cited

Statistical Analysis of Risk Assessment Factors and Metrics to Evaluate Radicalisation in Twitter

Raul Lara-Cabrera, Antonio Gonzalez-Pardo, David Camacho

Nowadays, Social Networks have become an essential communication tools producing a large amount of information about their users and their interactions, which can be analysed with…

cs.IR2023★ 1 cited

Deep Neural Aggregation for Recommending Items to Group of Users

Jorge Dueñas-Lerín, Raúl Lara-Cabrera, Fernando Ortega +1

Modern society devotes a significant amount of time to digital interaction. Many of our daily actions are carried out through digital means. This has led to the emergence of numero…

cs.LG2023

An evaluation framework for dimensionality reduction through sectional curvature

Raúl Lara-Cabrera, Ángel González-Prieto, Diego Pérez-López +2

Unsupervised machine learning lacks ground truth by definition. This poses a major difficulty when designing metrics to evaluate the performance of such algorithms. In sharp contra…

cs.IR2023★ 1 cited

Neural Group Recommendation Based on a Probabilistic Semantic Aggregation

Jorge Dueñas-Lerín, Raúl Lara-Cabrera, Fernando Ortega +1

Recommendation to groups of users is a challenging subfield of recommendation systems. Its key concept is how and where to make the aggregation of each set of user information into…

cs.CY2023★ 10 cited

Using 3D printed badges to improve student performance and reduce dropout rates in STEM higher education

Raúl Lara-Cabrera, Fernando Ortega, Edgar Talavera +1

Students' perception of excessive difficulty in STEM degrees lowers their motivation and therefore affects their performance. According to prior research, the use of gamification t…

cs.IR2022

Restricted Bernoulli Matrix Factorization: Balancing the trade-off between prediction accuracy and coverage in classification based collaborative filtering

Ángel González-Prieto, Abraham Gutiérrez, Fernando Ortega +1

Reliability measures associated with the prediction of the machine learning models are critical to strengthening user confidence in artificial intelligence. Therefore, those models…

cs.IR2020★ 26 cited

Deep Learning feature selection to unhide demographic recommender systems factors

Jesús Bobadilla, Ángel González-Prieto, Fernando Ortega +1

Extracting demographic features from hidden factors is an innovative concept that provides multiple and relevant applications. The matrix factorization model generates factors whic…

cs.LG2020★ 19 cited

DeepFair: Deep Learning for Improving Fairness in Recommender Systems

Jesús Bobadilla, Raúl Lara-Cabrera, Ángel González-Prieto +1

The lack of bias management in Recommender Systems leads to minority groups receiving unfair recommendations. Moreover, the trade-off between equity and precision makes it difficul…

cs.LG2020★ 45 cited

Providing reliability in Recommender Systems through Bernoulli Matrix Factorization

Fernando Ortega, Raúl Lara-Cabrera, Ángel González-Prieto +1

Beyond accuracy, quality measures are gaining importance in modern recommender systems, with reliability being one of the most important indicators in the context of collaborative…