BIMBO: a system which learns its expertise

  • Authors:
  • L. Saitta;A. Giordana;A. Melli;D. Timpanaro

  • Affiliations:
  • Dipartimento di Informatica, Universita' di Torino Torino, Italy;Dipartimento di Informatica, Universita' di Torino Torino, Italy;Dipartimento di Informatica, Universita' di Torino Torino, Italy;Dipartimento di Informatica, Universita' di Torino Torino, Italy

  • Venue:
  • PKWBS-W'84 Proceedings of the 1984 IEEE conference on Principles of knowledge-based systems
  • Year:
  • 1984

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Abstract

This paper describes the learning module of the Expert System BIMBO, devoted to the task or understanding continuous speech. Learning is performed in presence of uncertainty and of errors in the data and in the general knowledge. Both learning from samples and by interaction with a human expert are allowed. The system performs constructive generalization and uses a rormal definition of equivalence between groups of rules in order to automatically build up a multilevel partitioned network of production rules. Consistency of the learned knowledge base is checked in a semi-automatical way, according to given consistency criteria. Once the system has built up its initial knowledge, incremental learning is performed, by analyzing the outcomes of the system runs or by trying to insert new knowledge the human expert want to add. The learning module or the system is implemented in Franz Lisp on a VAX-11/780.