collaborators

5 papers

cs.CL2026

Language Models for Portuguese: A Systematic Mapping Study

Jhessica Silva, Carlos Caetano, Helena Maia +3

In recent years, the rapid development of language models has transformed the field of Natural Language Processing through a wide range of applications. However, the development of…

cs.CY2026

Classifying by Proxy: Explainable and Reproducible Ensemble of Proxy Tasks for Child Sexual Abuse Imagery Classification

Clara Ernesto, Carlos Caetano, Sandra Avila +3

Child Sexual Abuse Imagery (CSAI) classification systems are needed solutions for lessening the psychological impacts often felt by law enforcement agents responsible for evaluatin…

cs.CV2026

CSA-Graphs: A Privacy-Preserving Structural Dataset for Child Sexual Abuse Research

Carlos Caetano, Camila Laranjeira, Clara Ernesto +5

Child Sexual Abuse Imagery (CSAI) classification is an important yet challenging problem for computer vision research due to the strict legal and ethical restrictions that prevent…

cs.CV2025

Attention over Scene Graphs: Indoor Scene Representations Toward CSAI Classification

Artur Barros, Carlos Caetano, João Macedo +2

Indoor scene classification is a critical task in computer vision, with wide-ranging applications that go from robotics to sensitive content analysis, such as child sexual abuse im…

cs.CV2025

Neglected Risks: The Disturbing Reality of Children's Images in Datasets and the Urgent Call for Accountability

Carlos Caetano, Gabriel O. dos Santos, Caio Petrucci +6

Including children's images in datasets has raised ethical concerns, particularly regarding privacy, consent, data protection, and accountability. These datasets, often built by sc…