| 2025 | ACSSC | Non-negative DAG Learning from Time-Series Data. | Samuel Rey, Gonzalo Mateos |
| 2025 | ICASSP | Online Network Inference from Graph-Stationary Signals with Hidden Nodes. | Andrei Buciulea, Madeline Navarro, Samuel Rey, Santiago Segarra, Antonio G. Marques |
| 2025 | ICASSP | Redesigning graph filter-based GNNs to relax the homophily assumption. | Samuel Rey, Madeline Navarro, Victor M. Tenorio, Santiago Segarra, Antonio G. Marques |
| 2025 | ICASSP | Non-negative Weighted DAG Structure Learning. | Samuel Rey, Seyed Saman Saboksayr, Gonzalo Mateos |
| 2024 | ACSSC | Convolutional Learning on Directed Acyclic Graphs. | Samuel Rey, Hamed Ajorlou, Gonzalo Mateos |
| 2024 | ACSSC | Structure-Guided Input Graph for GNNs Facing Heterophily. | Victor M. Tenorio, Madeline Navarro, Samuel Rey, Santiago Segarra, Antonio G. Marques |
| 2024 | ICASSP | Blind Deconvolution of Sparse Graph Signals in the Presence of Perturbations. | Victor M. Tenorio, Samuel Rey, Antonio G. Marques |
| 2023 | ACSSC | Robust Graph Neural Network Based on Graph Denoising. | Victor M. Tenorio, Samuel Rey, Antonio G. Marques |
| 2022 | ACSSC | Joint graph learning from Gaussian observations in the presence of hidden nodes. | Samuel Rey, Madeline Navarro, Andrei Buciulea, Santiago Segarra, Antonio G. Marques |
| 2022 | ICASSP | Joint Inference of Multiple Graphs with Hidden Variables from Stationary Graph Signals. | Samuel Rey, Andrei Buciulea, Madeline Navarro, Santiago Segarra, Antonio G. Marques |
| 2021 | ACSSC | A Robust Alternative for Graph Convolutional Neural Networks via Graph Neighborhood Filters. | Victor M. Tenorio, Samuel Rey, Fernando Gama, Santiago Segarra, Antonio G. Marques |
| 2021 | ICASSP | Robust Graph-Filter Identification with Graph Denoising Regularization. | Samuel Rey, Antonio G. Marques |
| 2019 | ACSSC | Network Reconstruction from Graph-stationary Signals with Hidden Variables. | Andrei Buciulea, Samuel Rey, Cristbal Cabrera, Antonio G. Marques |
| 2019 | ACSSC | Deep Encoder-Decoder Neural Network Architectures for Graph Output Signals. | Samuel Rey, Victor Tenorio, Sergio Rozada, Luca Martino, Antonio G. Marques |