Learning Model Trees from Data Streams

  • Elena Ikonomovska
  • Joao Gama
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5255)

Abstract

In this paper we propose a fast and incremental algorithm for learning model trees from data streams (FIMT) for regression problems. The algorithm is incremental, works online, processes examples once at the speed they arrive, and maintains an any-time regression model. The leaves contain linear-models trained online from the examples that fall at that leaf, a process with low complexity. The use of linear models in the leaves increases its any-time global performance. FIMT is able to obtain competitive accuracy with batch learners even for medium size datasets, but with better training time in an order of magnitude. We study the properties of FIMT over several artificial and real datasets and evaluate its sensitivity on the order of examples and the noise level.

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Copyright information

© Springer Berlin Heidelberg 2008

Authors and Affiliations

  • Elena Ikonomovska
    • 1
  • Joao Gama
    • 2
  1. 1.FEIT – Ss. Cyril and Methodius UniversitySkopjeMacedonia
  2. 2.LIAAD/INESC, FEP – University of PortoPortoPortugal

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