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cs.CV2025

Supervised Contrastive Learning for Few-Shot AI-Generated Image Detection and Attribution

Jaime Álvarez Urueña, David Camacho, Javier Huertas Tato

The rapid advancement of generative artificial intelligence has enabled the creation of synthetic images that are increasingly indistinguishable from authentic content, posing sign…

cs.CL2025

One-shot Style Transfer LLM log-probabilities for Authorship Attribution and Verification

Pablo Miralles-González, Javier Huertas-Tato, Alejandro Martín +1

Computational stylometry studies writing style through quantitative textual patterns, enabling applications such as authorship attribution, identity linking, and plagiarism detecti…

cs.CL2025

Evaluating the Scalability and Adversarial Generalization of GRPO-Trained NLI Models

Pablo Miralles-González, Javier Huertas-Tato, Alejandro Martín +1

Natural Language Inference (NLI) is a central task in natural language understanding with applications in fact-checking, question answering, and information retrieval. Despite its…

cs.CL2025

On the locality bias and results in the Long Range Arena

Pablo Miralles-González, Javier Huertas-Tato, Alejandro Martín +1

The Long Range Arena (LRA) benchmark was designed to evaluate the performance of Transformer improvements and alternatives in long-range dependency modeling tasks. The Transformer…

cs.CL2025

Not all tokens are created equal: Perplexity Attention Weighted Networks for AI generated text detection

Pablo Miralles-González, Javier Huertas-Tato, Alejandro Martín +1

The rapid advancement in large language models (LLMs) has significantly enhanced their ability to generate coherent and contextually relevant text, raising concerns about the misus…