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On model selection and the disability of neural networks to decompose tasks | | Marc Toussaint
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19 Feb 2002 | | Journal: | Proceedings of the International Joint Conference on Neural Networks (IJCNN 2002), 245-250. | | Subject: | Adaptation and Self-Organizing Systems; Neural and Evolutionary Computing; Disordered Systems and Neural Networks | nlin.AO cond-mat.dis-nn cs.NE | | Abstract: | A neural network with fixed topology can be regarded as a parametrization of functions, which decides on the correlations between functional variations when parameters are adapted. We propose an analysis, based on a differential geometry point of view, that allows to calculate these correlations. In practise, this describes how one response is unlearned while another is trained. Concerning conventional feed-forward neural networks we find that they generically introduce strong correlations, are predisposed to forgetting, and inappropriate for task decomposition. Perspectives to solve these problems are discussed. | | Source: | arXiv, nlin.AO/0202038 | | Services: | Forum | Review | PDF | Favorites | |
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