Search Results for author: Fabrício Benevenuto

Found 12 papers, 1 papers with code

Toward Discourse-Aware Models for Multilingual Fake News Detection

no code implementations RANLP 2021 Francielle Vargas, Fabrício Benevenuto, Thiago Pardo

Statements that are intentionally misstated (or manipulated) are of considerable interest to researchers, government, security, and financial systems.

Deception Detection Fake News Detection

Predicting Sentence-Level Factuality of News and Bias of Media Outlets

no code implementations27 Jan 2023 Francielle Vargas, Kokil Jaidka, Thiago A. S. Pardo, Fabrício Benevenuto

Automated news credibility and fact-checking at scale require accurately predicting news factuality and media bias.

Fact Checking Sentence +2

Contextual-Lexicon Approach for Abusive Language Detection

no code implementations RANLP 2021 Francielle Vargas, Fabiana Rodrigues de Góes, Isabelle Carvalho, Fabrício Benevenuto, Thiago Alexandre Salgueiro Pardo

Since a lexicon-based approach is more elegant scientifically, explaining the solution components and being easier to generalize to other applications, this paper provides a new approach for offensive language and hate speech detection on social media.

Abusive Language Hate Speech Detection

HateBR: A Large Expert Annotated Corpus of Brazilian Instagram Comments for Offensive Language and Hate Speech Detection

no code implementations LREC 2022 Francielle Alves Vargas, Isabelle Carvalho, Fabiana Rodrigues de Góes, Fabrício Benevenuto, Thiago Alexandre Salgueiro Pardo

Due to the severity of the social media offensive and hateful comments in Brazil, and the lack of research in Portuguese, this paper provides the first large-scale expert annotated corpus of Brazilian Instagram comments for hate speech and offensive language detection.

BIG-bench Machine Learning Binary Classification +1

Facebook Ads Monitor: An Independent Auditing System for Political Ads on Facebook

no code implementations28 Jan 2020 Márcio Silva, Lucas Santos de Oliveira, Athanasios Andreou, Pedro Olmo Vaz de Melo, Oana Goga, Fabrício Benevenuto

Concerned with the risk of the same kind of abuse to happen in the 2018 Brazilian elections, we designed and deployed an independent auditing system to monitor political ads on Facebook in Brazil.

Word Embeddings

10Sent: A Stable Sentiment Analysis Method Based on the Combination of Off-The-Shelf Approaches

no code implementations21 Nov 2017 Philipe F. Melo, Daniel H. Dalip, Manoel M. Junior, Marcos A. Gonçalves, Fabrício Benevenuto

Our self-learning approach is also very independent of the base methods, which means that it is highly extensible to incorporate any new additional method that can be envisioned in the future.

General Classification Self-Learning +2

Fusing Audio, Textual and Visual Features for Sentiment Analysis of News Videos

no code implementations9 Apr 2016 Moisés H. R. Pereira, Flávio L. C. Pádua, Adriano C. M. Pereira, Fabrício Benevenuto, Daniel H. Dalip

This paper presents a novel approach to perform sentiment analysis of news videos, based on the fusion of audio, textual and visual clues extracted from their contents.

3D Human Pose Estimation Emotion Recognition +1

SentiBench - a benchmark comparison of state-of-the-practice sentiment analysis methods

no code implementations6 Dec 2015 Filipe Nunes Ribeiro, Matheus Araújo, Pollyanna Gonçalves, Fabrício Benevenuto, Marcos André Gonçalves

In the last few years thousands of scientific papers have investigated sentiment analysis, several startups that measure opinions on real data have emerged and a number of innovative products related to this theme have been developed.

Sentence Sentiment Analysis

Comparing and Combining Sentiment Analysis Methods

no code implementations30 May 2014 Pollyanna Gonçalves, Matheus Araújo, Fabrício Benevenuto, Meeyoung Cha

Sentiment analysis has been used in several applications including analysis of the repercussions of events in social networks, analysis of opinions about products and services, and simply to better understand aspects of social communication in Online Social Networks (OSNs).

Sentiment Analysis

PANAS-t: A Pychometric Scale for Measuring Sentiments on Twitter

2 code implementations8 Aug 2013 Pollyanna Gonçalves, Fabrício Benevenuto, Meeyoung Cha

Online social networks have become a major communication platform, where people share their thoughts and opinions about any topic real-time.

Social and Information Networks Physics and Society

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