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Recruitment versus backpropagation learning: Re-learning in connectionist networks

Technical Report ·
OSTI ID:5447719
The paper describes a first comparison between two connectionist learning techniques: backpropagation and recruitment learning. The task is to re-learn a conceptual representation, i.e. to significantly change a representation in an additional training period by the use of new data. Backpropagation denotes a widely known, supervised learning technique which requires the repeated presentation of a set of training instances. Recruitment learning denotes a technique which converts network units from a pool of free units into units which carry meaningful information, and can be used for both instruction-based and similarity-based learning. It will be shown that a learning technique which makes use of structured knowledge (i.e. recruitment learning), re-learns and modifies a connectionist representation faster than backpropagation. (Copyright (c) GMD 1990.)
Research Organization:
Gesellschaft fuer Mathematik und Datenverarbeitung mbH Bonn, St. Augustin (Germany). Inst. fuer Angewandte Informationstechnik
OSTI ID:
5447719
Report Number(s):
PB-91-192203/XAB; GMD--457
Country of Publication:
United States
Language:
English