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Constructive algorithms for structure learning in feedforward neural networks for regression problems.

T Y Kwok1, D Y Yeung

  • 1Dept. of Comput. Sci., Hong Kong Univ. of Sci. and Technol., Kowloon.

IEEE Transactions on Neural Networks
|January 1, 1997
PubMed
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This paper surveys constructive algorithms for feedforward neural network structure learning in regression. It details incremental network growth methods and categorizes algorithms by search strategy, training, and architecture.

Area of Science:

  • Computer Science
  • Artificial Intelligence
  • Machine Learning

Background:

  • Feedforward neural networks are widely used for regression tasks.
  • Determining optimal network structure is a significant challenge in machine learning.
  • Existing methods often require manual configuration or extensive hyperparameter tuning.

Purpose of the Study:

  • To provide a comprehensive review of constructive algorithms for neural network structure learning.
  • To categorize and analyze different approaches to incremental network growth.
  • To highlight key issues and considerations in applying constructive algorithms to regression problems.

Main Methods:

  • Systematic literature review of constructive algorithms.
  • Formulation of network construction as a state-space search problem.

Related Experiment Videos

  • Development of a taxonomy based on state transition mapping, training algorithms, and network architectures.
  • Main Results:

    • Identification and description of various constructive algorithms.
    • Analysis of general issues in constructive algorithms, particularly search strategies.
    • Presentation of a taxonomy classifying algorithms based on key differentiating features.

    Conclusions:

    • Constructive algorithms offer an automated approach to neural network design for regression.
    • The choice of search strategy, training algorithm, and architecture significantly impacts algorithm performance.
    • Further research can benefit from this taxonomy for developing more efficient and effective structure learning methods.