Introducing Software Process Specification to Task Context (S). - Ivens Da Silva Portugal; Toacy C. Oliveira (SEKE, 2013)

Using Task Contexts to Improve Software Process Execution. - Ivens Da Silva Portugal; Toacy C. Oliveira (CIbSE, 2014)

Requirements Engineering for General Recommender Systems. - Ivens Portugal; Paulo S. C. Alencar; Donald D. Cowan (CoRR, 2015)

Towards a provenance-aware spatial-temporal architectural framework for massive data integration and analysis. - Ivens Portugal; Paulo S. C. Alencar; Donald D. Cowan (IEEE BigData, 2016)

A Preliminary Survey on Domain-Specific Languages for Machine Learning in Big Data. - Ivens Portugal; Paulo S. C. Alencar; Donald D. Cowan (SwSTE, 2016)

A Survey on Domain-Specific Languages for Machine Learning in Big Data. - Ivens Portugal; Paulo S. C. Alencar; Donald D. Cowan (CoRR, 2016)

Developing a Spatial-Temporal Contextual and Semantic Trajectory Clustering Framework. - Ivens Portugal; Paulo S. C. Alencar; Donald D. Cowan (CoRR, 2017)

Trajectory Cluster Lifecycle Analysis: An Evolutionary Perspective. - Ivens Portugal; Paulo S. C. Alencar; Donald D. Cowan (IEEE BigData, 2018)

A Software Framework for Cluster Lifecycle Analysis in Transportation. - Ivens Portugal; Paulo S. C. Alencar; Donald D. Cowan (IEEE BigData, 2018)

The use of machine learning algorithms in recommender systems: A systematic review. - Ivens Portugal; Paulo S. C. Alencar; Donald D. Cowan (Expert Syst. Appl., 2018)

Modeling Dynamic Spatial-Temporal Cluster Relationships. - Ivens Portugal; Paulo S. C. Alencar; Donald D. Cowan (IEEE BigData, 2019)

Cluster Lifecycle Analysis: Challenges, Techniques, and Framework. - Ivens Portugal; Paulo S. C. Alencar; Donald D. Cowan (CoRR, 2019)

Spatial-Temporal Cluster Relations - A Foundation for Trajectory Cluster Lifetime Analysis. - Ivens Portugal; Paulo S. C. Alencar; Donald D. Cowan (CoRR, 2019)

From Spatial-Temporal Cluster Relationships to Lifecycles: Framework and Mobility Applications. - Ivens Portugal; Paulo S. C. Alencar; Donald D. Cowan (IEEE BigData, 2020)

A Framework for Spatial-Temporal Trajectory Cluster Analysis Based on Dynamic Relationships. - Ivens Portugal; Paulo S. C. Alencar; Donald D. Cowan (IEEE Access, 2020)

MylynSDP - Process - aware artifact filtering based on interest. - Ivens Portugal; Toacy Cavalcante de Oliveira; Paulo S. C. Alencar; Donald D. Cowan (J. Braz. Comput. Soc., 2020)

Computational Analysis to Capture Cluster Lifetime Dynamics. - Ivens Portugal; Paulo Alencar 001; Donald D. Cowan (IEEE BigData, 2021)

A Graph-based Analysis Approach to Cluster Lifetime Dynamics. - Ivens Portugal; Paulo Alencar 001; Donald D. Cowan (IEEE Big Data, 2022)

Identifying Regions of High Demand for Transportation Services based on Cluster Evolution and Graph Analysis. - Ivens Portugal; Paulo S. C. Alencar; Donald D. Cowan (IEEE Big Data, 2023)

Knowledge Graphs in Spatial-Temporal Cluster Evolution Analysis. - Ivens Portugal; Paulo S. C. Alencar; Donald D. Cowan (IEEE Big Data, 2023)

An Agentic AI-based Multi-Agent Framework for Recommender Systems. - Ivens Da Silva Portugal; Paulo S. C. Alencar; Donald D. Cowan (IEEE Big Data, 2024)

Exploring Variability in Fine-Tuned Models for Text Classification with DistilBERT. - Giuliano Lorenzoni; Ivens Portugal; Paulo Alencar 001; Donald D. Cowan (CoRR, 2025)