Search Results for author: Pedro M. Ferreira

Found 7 papers, 2 papers with code

Evaluation of LLM Chatbots for OSINT-based Cyber Threat Awareness

no code implementations26 Jan 2024 Samaneh Shafee, Alysson Bessani, Pedro M. Ferreira

We utilize well-established data collected in previous research from Twitter to assess the competitiveness of these chatbots when compared to specialized models trained for those tasks.

Binary Classification Chatbot +3

Vacuum structure of the $\mathbb{Z}_2$ symmetric Georgi-Machacek model

no code implementations14 Dec 2020 Duarte Azevedo, Pedro M. Ferreira, Heather E. Logan, Rui Santos

We discuss the vacuum structure of a version of the Georgi-Machecek model with an exact $\mathbb{Z}_2$ symmetry acting on the triplet fields.

High Energy Physics - Phenomenology

One-Loop Charge-Breaking Minima in the Two-Higgs Doublet Model

1 code implementation18 Oct 2019 Pedro M. Ferreira, Logan A. Morrison, Stefano Profumo

We analyze the vacuum structure of the one-loop effective potential in the two Higgs doublet model.

High Energy Physics - Phenomenology

Processing Tweets for Cybersecurity Threat Awareness

no code implementations3 Apr 2019 Fernando Alves, Aurélien Bettini, Pedro M. Ferreira, Alysson Bessani

Receiving timely and relevant security information is crucial for maintaining a high-security level on an IT infrastructure.

Binary Classification Clustering

Cyberthreat Detection from Twitter using Deep Neural Networks

1 code implementation1 Apr 2019 Nuno Dionísio, Fernando Alves, Pedro M. Ferreira, Alysson Bessani

A convolutional neural network identifies tweets containing security-related information relevant to assets in an IT infrastructure.

Management named-entity-recognition +2

Dimensional emotion recognition using visual and textual cues

no code implementations3 May 2018 Pedro M. Ferreira, Diogo Pernes, Kelwin Fernandes, Ana Rebelo, Jaime S. Cardoso

This paper addresses the problem of automatic emotion recognition in the scope of the One-Minute Gradual-Emotional Behavior challenge (OMG-Emotion challenge).

Emotion Recognition

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