no code implementations • 2 Apr 2024 • Alberto Blanco-Justicia, Najeeb Jebreel, Benet Manzanares, David Sánchez, Josep Domingo-Ferrer, Guillem Collell, Kuan Eeik Tan
The objective of digital forgetting is, given a model with undesirable knowledge or behavior, obtain a new model where the detected issues are no longer present.
no code implementations • 27 Mar 2024 • Juan De Gregorio, Raúl Toral, David Sánchez
Languages are grouped into families that share common linguistic traits.
1 code implementation • 20 Nov 2023 • Rami Haffar, David Sánchez, Josep Domingo-Ferrer
To address these issues, we present the Multi-Task Faces (MTF) image data set, a meticulously curated collection of face images designed for various classification tasks, including face recognition, as well as race, gender, and age classification.
no code implementations • 6 Nov 2023 • David Sánchez, Najeeb Jebreel, Josep Domingo-Ferrer, Krishnamurty Muralidhar, Alberto Blanco-Justicia
The alleged threat of reconstruction attacks has led the U. S. Census Bureau (USCB) to replace in the Decennial Census 2020 the traditional statistical disclosure limitation based on rank swapping with one based on differential privacy (DP).
no code implementations • 5 Jul 2022 • Najeeb Moharram Jebreel, Josep Domingo-Ferrer, David Sánchez, Alberto Blanco-Justicia
The label-flipping (LF) attack is a targeted poisoning attack where the attackers poison their training data by flipping the labels of some examples from one class (i. e., the source class) to another (i. e., the target class).
2 code implementations • 25 Jan 2022 • Ildikó Pilán, Pierre Lison, Lilja Øvrelid, Anthi Papadopoulou, David Sánchez, Montserrat Batet
We present a novel benchmark and associated evaluation metrics for assessing the performance of text anonymization methods.
no code implementations • 4 Aug 2021 • Josep Domingo-Ferrer, Alberto Blanco-Justicia, Jesús Manjón, David Sánchez
In this paper we build a federated learning framework that offers privacy to the participating peers as well as security against Byzantine and poisoning attacks.
no code implementations • 12 Dec 2020 • Alberto Blanco-Justicia, Josep Domingo-Ferrer, Sergio Martínez, David Sánchez, Adrian Flanagan, Kuan Eeik Tan
In contrast with centralized ML approaches, FL saves computation to the server and does not require the clients to outsource their private data to the server.
no code implementations • 3 Jul 2017 • Bruno Gonçalves, Lucía Loureiro-Porto, José J. Ramasco, David Sánchez
As global political preeminence gradually shifted from the United Kingdom to the United States, so did the capacity to culturally influence the rest of the world.
1 code implementation • 18 Nov 2015 • David Sánchez, Sergio Martínez, Josep Domingo-Ferrer
The study by De Montjoye et al. ("Science", 30 January 2015, p. 536) claimed that most individuals can be reidentified from a deidentified credit card transaction database and that anonymization mechanisms are not effective against reidentification.
Cryptography and Security 68 K.4.1
no code implementations • 16 Nov 2015 • Bruno Gonçalves, David Sánchez
This paper maps the large-scale variation of the Spanish language by employing a corpus based on geographically tagged Twitter messages.
no code implementations • 26 Jul 2014 • Bruno Gonçalves, David Sánchez
We perform a large-scale analysis of language diatopic variation using geotagged microblogging datasets.