Search Results - "Britto Jr, Alceu de Souza"

Incremental specialized and specialized-generalized matrix factorization models based on adaptive learning rate optimizers by Viniski, Antônio David, Barddal, Jean Paul, de Souza Britto Jr, Alceu, de Campos, Humberto Vinicius Aparecido

“…•Incremental models are most suitable for cold-start scenarios.•Adaptive learning rate methods are effective in data stream environments.•Learning…”
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CSBF: A static ensemble fusion method based on the centrality score of complex networks by Silva, Ronan Assumpção, Britto Jr, Alceu de Souza, Enembreck, Fabricio, Sabourin, Robert, Oliveira, Luiz E. S.

“…Ensemble of classifiers can improve classification accuracy by combining several models. The fusion method plays an important role in the ensemble performance…”
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Temporal analysis of drifting hashtags in textual data streams: A graph-based application by Garcia, Cristiano Mesquita, Britto, Alceu de Souza, Barddal, Jean Paul

“…Initially supported by Twitter, hashtags are now used on several social media platforms. Hashtags are helpful for tagging, tracking, and grouping posts on…”
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An explainable machine learning approach for student dropout prediction by Krüger, João Gabriel Corrêa, Britto, Alceu de Souza, Barddal, Jean Paul

“…School dropout is a relevant socio-economic problem across the globe. Predictive models have been developed to determine the likelihood of students dropping…”
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A case study of batch and incremental recommender systems in supermarket data under concept drifts and cold start by Viniski, Antônio David, Barddal, Jean Paul, Britto Jr, Alceu de Souza, Enembreck, Fabrício, Campos, Humberto Vinicius Aparecido de

“…•Retail data made available depicts concept drift and cold start problems.•Neural networks are effective in recommending items to supermarket users.•Streaming…”
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Naïve Approaches to Deal With Concept Drifts by Lisboa de Almeida, Paulo R., Oliveira, Luiz S., Souza Britto, Alceu de, Paul Barddal, Jean

“…A common problem in machine learning is to find representative real-world labeled datasets to put the methods to test. When developing approaches to deal with…”
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Automatic counting of trypanosomatid amastigotes in infected human cells by de Souza Relli, Cleber, Facon, Jacques, Ayala, Horacio Legal, De Souza Britto, Alceu

“…This article presents an automatic approach to counting amastigotes in human cells infected with Chagas. The approach is divided into four steps: first,…”
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2D Principal Component Analysis for Face and Facial-Expression Recognition by Oliveira, Luiz, Mansano, Marcelo, Koerich, Alessandro, de Souza Britto, Alceu

“…Although it shows enormous potential as a feature extractor, 2D principal component analysis produces numerous coefficients. Using a feature-selection…”
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Temporal Analysis of Drifting Hashtags in Textual Data Streams: A Graph-Based Application by Garcia, Cristiano M, BrittoJr, Alceu de Souza, Barddal, Jean Paul

“…Expert Systems with Applications, 125007 (2024) Initially supported by Twitter, hashtags are now used on several social media platforms. Hashtags are helpful…”
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Dynamically Selected Ensemble for Data Stream Classification by Cavalheiro, Lucca Portes, De Souza Britto, Alceu, Barddal, Jean Paul, Heutte, Laurent

“…Mining data streams is a hot topic in the machine learning (ML) community. In addition to learning and updating accurate models over time, these techniques…”
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Sky/Ground Segmentation Using Different Approaches by Beuren, Arlete Teresinha, de Souza Britto, Alceu, Facon, Jacques

“…This work presents a sky and ground segmentation approach in digital images using the supervised Support Vector Machine (SVM) algorithm based on Whiteness and…”
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Segmentation-Free Approaches For Handwritten Numeral String Recognition by Hochuli, Andre G., Oliveira, Luiz S., Souza Britto, Alceu de, Sabourin, Robert

“…This paper presents segmentation-free strategies for the recognition of handwritten numeral strings of unknown length. A synthetic dataset of touching numeral…”
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Salient Features and Hypothesis Testing: evaluating a novel approach for segmentation and address block location by Menoti, David, Borges, Dibio Leandro, Britto Jr, Alceu de Souza

“…This paper presents a modification with further experiments of a segmentation algorithm based on feature selection in wavelet space of ours [9]. The aim is to…”
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