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M. M. Raimundo

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#artificial intelligence Preprint Oct 2026

Opening the Box Changes the Cat: LLMs Detect Chain-of-Thought Monitoring - What now?

It is observed that models can form statistical estimates of the monitor's effectiveness and use these estimates to guide attempts to evade detection, and highlight the need to evaluate CoT-based oversight under adaptive conditions, where the monitoring process itself may influence the behavior it seeks to observe.

Amir Jalilifard, Marcos M. Raimundo, Anderson Rocha · 0 citations
#natural language process... Preprint Oct 2026

PRISM: Transfer and Limits of Activation Interventions in Tool-Calling Language Models

Recent literature shows that unsafe tool calls can often accompany textual refusals in language models. To investigate this hidden vulnerability, we introduce PRISM, a framework for evaluating the transfer of activation interventions across precision, languages, and scales. Our findings demonstrate that leveraging lowe...

Giovana Kerche Bonás, T. Almeida, Marcelo Henrique da Silva Reis et al. · 0 citations
Open access Sep 2026

P\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$^{2}$$\end{document}CE: Model-Agnostic Plausible Pareto-Optimal Count

The increasing use of machine learning algorithms in social applications has raised concerns about fairness and transparency, leading to the development of counterfactual explanations. These explanations support individuals to understand and potentially alter unfavorable decisions in areas such as loan applications, jo...

A. M. D. de Oliveira, Giovani Valdrighi, M. M. Raimundo · 0 citations

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