Soft computing applied to distributed regression with context-heterogeneity

HÉCTOR GABRIEL ALLENDE CID, Rául Monge, Hector Allende

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper we present a distributed regression framework to model distributed data with different contexts. Different context is defined as the change of the underlying laws of probability in the distributed sources. Most state of the art methods do not take into account the different context and assume that the data comes from the same statistical distribution. We propose an aggregation scheme for models that are in the same neighborhood in terms of similarity by means of a Soft Computing approach, by using several methodologies like fuzzy membership functions, clustering algorithms, feedfoward neural network, stacked generalization and ensemble approaches. We conduct experiments with synthetic and real data sets to validate our proposal. Our proposed algorithm outperforms other models that follow a traditional approach.

Original languageEnglish
Pages (from-to)389-416
Number of pages28
JournalJournal of Multiple-Valued Logic and Soft Computing
Volume26
Issue number3-5
StatePublished - 2016
Externally publishedYes

Keywords

  • Distributed learning
  • Regression from distributed sources
  • Soft computing approaches

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