I got a BSc in Physics before I went on to get a MSc in Computer Science at the Faculty of Sciences, University of Porto. I am now working towards a PhD in Informatics through the MAP-I program. My research interests are mostly in Data Mining / Machine Learning, focusing on predictive analytics for dependent data.
I got a BSc in Physics before I went on to get a MSc in Computer Science at the Faculty of Sciences, University of Porto. I am now working towards a PhD in Informatics through the MAP-I program.
My research interests are mostly in Data Mining / Machine Learning, focusing on predictive analytics for dependent data.
2018
Authors
Oliveira, M; Torgo, L; Costa, VS;
Publication
Machine Learning and Knowledge Discovery in Databases - European Conference, ECML PKDD 2018, Dublin, Ireland, September 10-14, 2018, Proceedings, Part I
Abstract
2017
Authors
Cerqueira, V; Torgo, L; Oliveira, M; Pfahringer, B;
Publication
2017 IEEE International Conference on Data Science and Advanced Analytics, DSAA 2017, Tokyo, Japan, October 19-21, 2017
Abstract
2016
Authors
Oliveira, M; Torgo, L; Costa, VS;
Publication
DISCOVERY SCIENCE, (DS 2016)
Abstract
We present and evaluate two different methods for building spatio-temporal features: a propositional method and a method based on propositionalisation of relational clauses. Our motivating application, a regression problem, requires the prediction of the fraction of each Portuguese parish burnt yearly by wildfires - a problem with a strong socio-economic and environmental impact in the country. We evaluate and compare how these methods perform individually and combined together. We successfully use under-sampling to deal with the high skew in the data set. We find that combining the approaches significantly improves the similar results obtained by each method individually.
2016
Authors
Catarina, M; Ana Paula, M; Maria, C; Hugo, R; Cristina, A; Isabel, A; Sandra, R; Teresa, B; Sérgio, L; Antonina, DS; Alexandra, S; Cátia, B; Sónia, C; Raquel, M; Catarina, C; André, D; Hugo, F; Ireneu, D; Luís, T; Mariana, O; Nuno, D; Pedro, J; Alfredo, M; Eduardo, S;
Publication
Frontiers in Marine Science
Abstract
2015
Authors
Fernandez Garcia, MP; Teixeira, JM; Machado, P; Oliveira, MRFF; Maia, JM; Pereira, C; Pereira, AM; Freire, C; Araujo, JP;
Publication
REVIEW OF SCIENTIFIC INSTRUMENTS
Abstract
The main purpose of this work was to design, develop, and construct a simple desktop AC susceptometer to monitor in situ and in real time the coprecipitation synthesis of magnetic nanoparticles. The design incorporates one pair of identical pick-up sensing coils and one pair of Helmholtz coils. The picked up signal is detected by a lock-in SR850 amplifier that measures the in-and out-of-phase signals. The apparatus also includes a stirrer with 45 degrees-angle blades to promote the fast homogenization of the reaction mixture. Our susceptometer has been successfully used to monitor the coprecipitation reaction for the synthesis of iron oxide nanoparticles. (C) 2015 AIP Publishing LLC.
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