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IEAAIE
2010
Springer
13 years 9 months ago
Exploring the Performance of Resampling Strategies for the Class Imbalance Problem
The present paper studies the influence of two distinct factors on the performance of some resampling strategies for handling imbalanced data sets. In particular, we focus on the n...
Vicente García, José Salvador S&aacu...
ECSA
2010
Springer
14 years 1 days ago
A Model for Dynamic Reconfiguration in Service-Oriented Architectures
Abstract. The importance of modelling the dynamic architectural characteristics of software systems has long been recognised. However, the nature of the dynamic architectural chara...
José Luiz Fiadeiro, Antónia Lopes
FIS
2010
13 years 9 months ago
An Authoring Tool for User Generated Mobile Services
Imagine what kind of applications become possible when our mobile devices not only present data but provide valuable information to other users. Users become able to instantaneousl...
José Danado, Marcin Davies, Paulo Ricca, An...
IFIP
2010
Springer
14 years 3 months ago
A Face Attention Technique for a Robot Able to Interpret Facial Expressions
Automatic facial expressions recognition using vision is an important subject towards human-robot interaction. Here is proposed a human face focus of attention technique and a faci...
Carlos Simplício, José Augusto Prado...
ENTCS
2008
97views more  ENTCS 2008»
13 years 9 months ago
Coordination Models Orc and Reo Compared
Orc and Reo are two complementary approaches to the problem of coordinating components or services. On one hand, Orc is highly asynchronous, naturally dynamic, and based on epheme...
José Proença, Dave Clarke