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Table 1 Training algorithm – Parallel Batch SOM with sparse binary matrices

From: Validating the knowledge represented by a self-organizing map with an expert-derived knowledge structure

  1. D - total number of MeSH categories (=29,917–; Da - number of MeSH categories annotating an individual article; N - number of articles (=33,375,866); M - number of nodes (350x350=122,500); –(e) - width of the neighborhood (which changes over training epochs according to the formula 175/(1.7)epoch)
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BMC Medical Education

ISSN: 1472-6920

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