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Ivens Portugal
Researcher at University of Waterloo
Publications - 19
Citations - 808
Ivens Portugal is an academic researcher from University of Waterloo. The author has contributed to research in topics: Big data & Cluster (physics). The author has an hindex of 6, co-authored 18 publications receiving 553 citations. Previous affiliations of Ivens Portugal include Federal University of Rio de Janeiro.
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The use of machine learning algorithms in recommender systems: A systematic review
TL;DR: The study concludes that Bayesian and decision tree algorithms are widely used in recommender systems because of their relative simplicity, and that requirement and design phases of recommender system development appear to offer opportunities for further research.
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The Use of Machine Learning Algorithms in Recommender Systems: A Systematic Review
TL;DR: In this paper, the authors present a systematic review of the literature that analyzes the use of machine learning algorithms in recommender systems and identifies research opportunities for software engineering research, and conclude that Bayesian and decision tree algorithms are widely used in recommendation systems because of their relative simplicity and that requirement and design phases of recommender system development appear to offer opportunities for further research.
Proceedings ArticleDOI
A Preliminary Survey on Domain-Specific Languages for Machine Learning in Big Data
TL;DR: This literature survey identifies and describes domain-specific languages and frameworks used for Machine Learning in Big Data with the intention of assisting software engineers in making more informed choices and providing beginners with an overview of the main languages used in this domain.
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A Survey on Domain-Specific Languages for Machine Learning in Big Data.
TL;DR: This literature survey identifies and describes domain-specific languages and frameworks used for Machine Learning in Big Data so that software engineers can make more informed choices and beginners have an overview of the main languages used in this domain.
Journal ArticleDOI
A Framework for Spatial-Temporal Trajectory Cluster Analysis Based on Dynamic Relationships
TL;DR: A framework to identify, process, and analyze relationships between clusters of spatial-temporal data (e.g. enter, merge, or split) is introduced, as well as a proposed clustering technique, the different approaches for distance calculation, and how the result of these operations are used in the identification of cluster relationships over space and time.