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🔍 alejandro ribeiro 📂 Computer Science
Showing 41 results for "alejandro ribeiro" in Computer Science
Computer Science Preprint PDF DOI

Application-Aware Twin-in-the-Loop Planning for Federated Split Learning over Wireless Edge Networks

Zihao Ding, Beining Wu, Jun Huang, Shiwen Mao · 2026

We investigate task-success-oriented resource allocation for federated split learning (FSL) at the wireless edge. In this setting, the server must jointly determine bandwidth, transmit power, split-la…

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Computer Science Preprint PDF DOI

QuantumX: an experience for the consolidation of Quantum Computing and Quantum Software Engineering as an emerging discipline

Juan M. Murillo, Ignacio Garcia Rodriguez de Guzman, Enrique Moguel, Javier Romero-Alvarez, Jaime Alvarado-Valiente, Alvaro M. Aparicio-Morales, Jose Garcia-Alonso, Ana Diaz Munoz, Eduardo Fernandez-Medina, Francisco Chicano, Carlos Canal, Jose Daniel Viqueira, Sebastian Villarroya, Eduardo Gutierrez, Adrian Romero-Flores, Alfonso E. Marquez-Chamorro, Antonio Ruiz-Cortes, Cyrille YetuYetu Kesiku, Pedro Sanchez, Diego Alonso Caceres, Lidia Sanchez-Gonzalez, Fernando Plou · 2026

The first edition of the QuantumX track, held within the XXIX Jornadas de Ingenier\'ia del Software y Bases de Datos (JISBD 2025), brought together leading Spanish research groups working at the inter…

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Computer Science Preprint PDF DOI

SilentDrift: Exploiting Action Chunking for Stealthy Backdoor Attacks on Vision-Language-Action Models

Bingxin Xu, Yuzhang Shang, Binghui Wang, Emilio Ferrara · 2026

Vision-Language-Action (VLA) models are increasingly deployed in safety-critical robotic applications, yet their security vulnerabilities remain underexplored. We identify a fundamental security flaw …

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Computer Science Preprint PDF DOI

Longitudinal Trends in Pre University Preparation. A Cohort Evaluation Using Introductory Mathematics and Physics Courses (1980-2019)

H. R. Paz · 2026

The transition from secondary to higher education represents a critical point in academic trajectories, particularly in programmes with a strong emphasis on basic sciences. Across different higher edu…

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Computer Science Preprint PDF DOI

Coopetitive Index: a measure of cooperation and competition in coalition formation

Michele Aleandri, Marco Dall'Aglio · 2025

We extend the coopetition index introduced by Aleandri and Dall'Aglio (2025) for simple games to the broader class of monotone transferable utility (TU) games and to all non-empty coalitions, includin…

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Computer Science Preprint PDF DOI

Stone Duality Proofs for Colorless Distributed Computability Theorems

Cameron Calk, Emmanuel Godard · 2025

We introduce a new topological encoding of executions of round-based, full-information distributed protocols via spectral spaces. Such protocols constitute a model of distributed computations which ar…

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Computer Science Preprint PDF DOI

DropVLA: An Action-Level Backdoor Attack on Vision-Language-Action Models

Zonghuan Xu, Jiayu Li, Yunhan Zhao, Xiang Zheng, Xingjun Ma, Yu-Gang Jiang · 2025

Vision-Language-Action (VLA) models map multimodal perception and language instructions to executable robot actions, making them particularly vulnerable to behavioral backdoor manipulation: a hidden t…

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Computer Science Preprint PDF DOI

Goal-oriented Backdoor Attack against Vision-Language-Action Models via Physical Objects

Zirun Zhou, Zhengyang Xiao, Haochuan Xu, Jing Sun, Di Wang, Jingfeng Zhang · 2025

Recent advances in vision-language-action (VLA) models have greatly improved embodied AI, enabling robots to follow natural language instructions and perform diverse tasks. However, their reliance on …

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Computer Science Preprint PDF DOI

Proceedings 9th edition of Working Formal Methods Symposium

Andrei Arusoaie (Alexandru Ioan Cuza University of Iasi), Horatiu Cheval (University of Bucharest), Radu Iosif (Verimag, CNRS, University of Grenoble Alpes) · 2025

This volume contains the proceedings of the 9th Working Formal Methods Symposium, which was held at the Alexandru Ioan Cuza University, Ia\c{s}i, Romania on September 17-19, 2025.…

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Computer Science Preprint PDF DOI

Enhancing Relevance of Embedding-based Retrieval at Walmart

Juexin Lin, Sachin Yadav, Feng Liu, Nicholas Rossi, Praveen R. Suram, Satya Chembolu, Prijith Chandran, Hrushikesh Mohapatra, Tony Lee, Alessandro Magnani, Ciya Liao · 2024

Embedding-based neural retrieval (EBR) is an effective search retrieval method in product search for tackling the vocabulary gap between customer search queries and products. The initial launch of our…

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Computer Science Preprint PDF DOI

On the Expressibility of the Reconstructional Color Refinement

V. Arvind, Johannes Kobler, Oleg Verbitsky · 2024

One of the most basic facts related to the famous Ulam reconstruction conjecture is that the connectedness of a graph can be determined by the deck of its vertex-deleted subgraphs, which are considere…

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Computer Science Preprint PDF DOI

Low-Degree Polynomials Are Good Extractors

Omar Alrabiah, Jesse Goodman, Jonathan Mosheiff, Joao Ribeiro · 2024

We prove that random low-degree polynomials (over $\mathbb{F}_2$) are unbiased, in an extremely general sense. That is, we show that random low-degree polynomials are good randomness extractors for a …

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Computer Science Preprint PDF DOI

Improved Lower Bounds for Approximating Parameterized Nearest Codeword and Related Problems under ETH

Shuangle Li, Bingkai Lin, Yuwei Liu · 2024

In this paper we present a new gap-creating randomized self-reduction for parameterized Maximum Likelihood Decoding problem over $\mathbb{F}_p$ ($k$-MLD$_p$). The reduction takes a $k$-MLD$_p$ instanc…

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Computer Science Preprint PDF DOI

Supporting Human-AI Collaboration in Auditing LLMs with LLMs

Charvi Rastogi, Marco Tulio Ribeiro, Nicholas King, Harsha Nori, Saleema Amershi · 2023

Large language models are becoming increasingly pervasive and ubiquitous in society via deployment in sociotechnical systems. Yet these language models, be it for classification or generation, have be…

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Computer Science Preprint PDF DOI

Hog 2023.1: a collaborative management tool to handle Git-based HDL repository

Nicolo Valdi Biesuz, Rimsky Caballero, Davide Cieri, Nico Giangiacomi, Francesco Gonnella, Guillermo Loustau De Linares, Andrew Peck · 2023

Hog (HDL on Git) is an open-source tool designed to manage Git-based HDL repositories. It aims to simplify HDL project development, maintenance, and versioning by using Git to guarantee synthesis and …

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Computer Science Preprint PDF DOI

Teaching and learning in the age of artificial intelligence

Margarida Romero (LINE, COMUE UCA, ULaval), Laurent Heiser (LINE), Alexandre Lepage (UdeM), Alexandre Lepage, Anne Gagnebien, Audrey Bonjour, Aurelie Lagarrigue, Axel Palaude, Caroline Boulord, Charles-Antoine Gagneur, Chloe Mercier, Christelle Caucheteux, Dominique Guidoni-Stoltz, Florence Tressols, Frederic Alexandre, Jean-Francois Ceci, Jean-Francois Metral, Jeremy Camponovo, Julie Henry, Laurent Fouche, Laurent Heiser, Lianne-Blue Hodgkins, Margarida Romero, Marie-Helene Comte, Michel Durampart, Patricia Corieri, Paul Olry, Pauline Reboul, Philippe Bonfils, Sami Ben Amor, Simon Collin, Solange Ciavaldini-Cartaut, Thierry Vieville, Victoire Batifol, Yann-Ael Le Borgne · 2023

As part of the Digital Working Group (GTnum) #Scol_IA "Renewal of digital practices and creative uses of digital and AI" we are pleased to present the white paper "Teaching and learning in the era of …

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Computer Science Preprint PDF DOI

The Colombian Scientific Elite -- Science Mapping and Bibliometric Outlook

Julian D. Cortes, Daniel A. Andrade · 2021

A well established agenda on the research output, impact, and structure of global scientific elites such as Nobel Prize laureates has generated interest in the scientific elites from developing countr…

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Computer Science Preprint PDF DOI

Los fact-checkers iberoamericanos frente a la COVID-19. An\'alisis de actividad en Facebook / The Ibero-American fact-checkers facing the COVID-19. Analysis of activity on Facebook

Alberto Dafonte-Gomez, Maria-Isabel Miguez-Gonzalez, Xabier Martinez-Rolan · 2021

Introduction: The COVID-19 pandemic revealed infodemics as an aggravating factor in health emergencies, a situation that enhanced the role of data verification journalism in crisis situations. This ar…

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Computer Science Preprint PDF DOI

Geometric averages of partitioned datasets

Tom Needham, Thomas Weighill · 2021

We introduce a method for jointly registering ensembles of partitioned datasets in a way which is both geometrically coherent and partition-aware. Once such a registration has been defined, one can gr…

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Computer Science Peer-Reviewed PDF DOI

Glasgow Early Treatment Arm Favirpiravir (GETAFIX) for adults with early stage COVID-19: A structured summary of a study protocol for a randomised controlled trial.

Catherine R Hanna, Kevin G Blyth, Glenn Burley, Samantha Carmichael, Carol Evans, Samantha Hinsley, Ibrahim Khadra, Saye Khoo, Liz-Anne Lewsley, Robert R Jones, Raman Sharma, Andrea Taladriz-Sender, Emma C Thomson, Janet T Scott · 2021

The GETAFIX trial will test the hypothesis that favipiravir is a more effective treatment for COVID-19 infection in patients who have early stage disease, compared to current standard of care. This st…

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