Search Results - "Azevedo, Paulo J."

Subgroup mining for performance analysis of regression models by Pimentel, João, Azevedo, Paulo J., Torgo, Luís

“…Machine learning algorithms have shown several advantages compared to humans, namely in terms of the scale of data that can be analysed, delivering high speed…”
Get full text

Social network analytics and visualization: Dynamic topic‐based influence analysis in evolving micro‐blogs by Tabassum, Shazia, Gama, João, Azevedo, Paulo J., Cordeiro, Mario, Martins, Carlos, Martins, Andre

“…Influence Analysis is one of the well‐known areas of Social Network Analysis. However, discovering influencers from micro‐blog networks based on topics has…”
Get full text

Evaluating deterministic motif significance measures in protein databases by Ferreira, Pedro Gabriel, Azevedo, Paulo J

“…Assessing the outcome of motif mining algorithms is an essential task, as the number of reported motifs can be very large. Significance measures play a central…”
Get full text

Contrast set mining in temporal databases by Magalhães, André, Azevedo, Paulo J.

“…Understanding the underlying differences between groups or classes in certain contexts can be of the utmost importance. Contrast set mining relies on…”
Get full text

Ensembles of jittered association rule classifiers by Azevedo, Paulo J., Jorge, Alípio Mário

“…The ensembling of classifiers tends to improve predictive accuracy. To obtain an ensemble with N classifiers, one typically needs to run N learning processes…”
Get full text

Discovering a taste for the unusual: exceptional models for preference mining by de Sá, Cláudio Rebelo, Duivesteijn, Wouter, Azevedo, Paulo, Jorge, Alípio Mário, Soares, Carlos, Knobbe, Arno

“…Exceptional preferences mining (EPM) is a crossover between two subfields of data mining: local pattern mining and preference learning. EPM can be seen as a…”
Get full text

Preference rules for label ranking: Mining patterns in multi-target relations by de Sá, Cláudio Rebelo, Azevedo, Paulo, Soares, Carlos, Jorge, Alípio Mário, Knobbe, Arno

“…•A sensitivity analysis is carried out to test Label Ranking Association Rules.•Similarity-based interest measures contribute positively to the accuracy of the…”
Get full text

Significant motifs in time series by Castro, Nuno C., Azevedo, Paulo J.

“…Time series motif discovery is the task of extracting previously unknown recurrent patterns from time series data. It is an important problem within…”
Get full text

Evaluating Protein Motif Significance Measures: A Case Study on Prosite Patterns by Ferreira, P.G., Azevedo, P.J.

“…The existence of preserved subsequences in a set of related protein sequences suggests that they might play a structural and functional role in protein's…”
Get full text

A Closer Look on Protein Unfolding Simulations through Hierarchical Clustering by Ferreira, P.G., Silva, C.G., Brito, R.M.M., Azevedo, P.J.

“…Understanding protein folding and unfolding mechanisms are a central problem in molecular biology. Data obtained from molecular dynamics unfolding simulations…”
Get full text

Magic sets with full sharing by Azevedo, Paulo J.

“…In this paper, we study the relationship between tabulation and goal-oriented bottom-up evaluation of logic programs. Differences emerge when one tries to…”
Get full text