Search Results for author: Jean Paul Barddal

Found 15 papers, 2 papers with code

Dynamic Modality and View Selection for Multimodal Emotion Recognition with Missing Modalities

no code implementations18 Apr 2024 Luciana Trinkaus Menon, Luiz Carlos Ribeiro Neduziak, Jean Paul Barddal, Alessandro Lameiras Koerich, Alceu de Souza Britto Jr

The study of human emotions, traditionally a cornerstone in fields like psychology and neuroscience, has been profoundly impacted by the advent of artificial intelligence (AI).

Multimodal Emotion Recognition

Improving Sampling Methods for Fine-tuning SentenceBERT in Text Streams

no code implementations18 Mar 2024 Cristiano Mesquita Garcia, Alessandro Lameiras Koerich, Alceu de Souza Britto Jr, Jean Paul Barddal

The proliferation of textual data on the Internet presents a unique opportunity for institutions and companies to monitor public opinion about their services and products.

Methods for Generating Drift in Text Streams

no code implementations18 Mar 2024 Cristiano Mesquita Garcia, Alessandro Lameiras Koerich, Alceu de Souza Britto Jr, Jean Paul Barddal

To learn from textual data over time, the machine learning system must account for concept drift.

Temporal Analysis of Drifting Hashtags in Textual Data Streams: A Graph-Based Application

1 code implementation8 Feb 2024 Cristiano M. Garcia, Alceu de Souza Britto Jr, Jean Paul Barddal

People use the internet to express opinions about anything, making social media platforms a social sensor.

TAG

Concept Drift Adaptation in Text Stream Mining Settings: A Comprehensive Review

no code implementations5 Dec 2023 Cristiano Mesquita Garcia, Ramon Simoes Abilio, Alessandro Lameiras Koerich, Alceu de Souza Britto Jr., Jean Paul Barddal

Due to the advent and increase in the popularity of the Internet, people have been producing and disseminating textual data in several ways, such as reviews, social media posts, and news articles.

Random Forest Kernel for High-Dimension Low Sample Size Classification

no code implementations23 Oct 2023 Lucca Portes Cavalheiro, Simon Bernard, Jean Paul Barddal, Laurent Heutte

High dimension, low sample size (HDLSS) problems are numerous among real-world applications of machine learning.

Classification

Deep Single Models vs. Ensembles: Insights for a Fast Deployment of Parking Monitoring Systems

no code implementations28 Sep 2023 Andre Gustavo Hochuli, Jean Paul Barddal, Gillian Cezar Palhano, Leonardo Matheus Mendes, Paulo Ricardo Lisboa de Almeida

Searching for available parking spots in high-density urban centers is a stressful task for drivers that can be mitigated by systems that know in advance the nearest parking space available.

Detecting Relevant Information in High-Volume Chat Logs: Keyphrase Extraction for Grooming and Drug Dealing Forensic Analysis

no code implementations15 Sep 2023 Jeovane Honório Alves, Horácio A. C. G. Pedroso, Rafael Honorio Venetikides, Joel E. M. Köster, Luiz Rodrigo Grochocki, Cinthia O. A. Freitas, Jean Paul Barddal

The growing use of digital communication platforms has given rise to various criminal activities, such as grooming and drug dealing, which pose significant challenges to law enforcement and forensic experts.

Keyphrase Extraction

Advances on Concept Drift Detection in Regression Tasks using Social Networks Theory

no code implementations19 Apr 2023 Jean Paul Barddal, Heitor Murilo Gomes, Fabrício Enembreck

Mining data streams is one of the main studies in machine learning area due to its application in many knowledge areas.

regression

Evaluation of Self-taught Learning-based Representations for Facial Emotion Recognition

no code implementations26 Apr 2022 Bruna Delazeri, Leonardo L. Veras, Alceu de S. Britto Jr., Jean Paul Barddal, Alessandro L. Koerich

This work describes different strategies to generate unsupervised representations obtained through the concept of self-taught learning for facial emotion recognition (FER).

Facial Emotion Recognition

A Systematic Review on Computer Vision-Based Parking Lot Management Applied on Public Datasets

no code implementations12 Mar 2022 Paulo Ricardo Lisboa de Almeida, Jeovane Honório Alves, Rafael Stubs Parpinelli, Jean Paul Barddal

Computer vision-based parking lot management methods have been extensively researched upon owing to their flexibility and cost-effectiveness.

Management

A Survey on Concept Drift in Process Mining

no code implementations3 Dec 2021 Denise Maria Vecino Sato, Sheila Cristiana de Freitas, Jean Paul Barddal, Edson Emilio Scalabrin

Concept drift in process mining (PM) is a challenge as classical methods assume processes are in a steady-state, i. e., events share the same process version.

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