Learning about the learning process

  • Authors:
  • João Gama;Petr Kosina

  • Affiliations:
  • LIAAD-INESC Porto, FEP-University of Porto;LIAAD-INESC Porto, FI Masaryk University, Czech Republic

  • Venue:
  • IDA'11 Proceedings of the 10th international conference on Advances in intelligent data analysis X
  • Year:
  • 2011

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Abstract

This work addresses the problem of mining data stream generated in dynamic environments where the distribution underlying the observations may change over time. We present a system that monitors the evolution of the learning process. The system is able to self-diagnosis degradations of this process, using change detection mechanisms, and self-repairs the decision models. The system uses meta-learning techniques that characterize the domain of applicability of previously learned models. The meta-learns can detect re-occurrence of contexts, using unlabeled examples, and take pro-active actions by activating previously learned models.