Maximum likelihood hebbian learning based Retrieval method for CBR systems

  • Authors:
  • Juan M. Corchado;Emilio S. Corchado;Jim Aiken;Colin Fyfe;Florentino Fernandez;Manuel Gonzalez

  • Affiliations:
  • Dept. de Informática y Automática, University of Salamanca, Salamanca, Spain;Plymouth Marine Laboratory, Plymouth, UK;Dept. de Ingeniería Civil, University of Burgos, Burgos, Spain;Plymouth Marine Laboratory, Plymouth, UK;Computing and Information System Dept., University of Paisley, Paisley, UK;Dept. de Informática y Automática, University of Salamanca, Salamanca, Spain

  • Venue:
  • ICCBR'03 Proceedings of the 5th international conference on Case-based reasoning: Research and Development
  • Year:
  • 2003

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Abstract

CBR systems are normally used to assist experts in the resolution of problems. During the last few years researchers have been working in the development of techniques to automate the reasoning stages identified in this methodology. This paper presents a Maximum Likelihood Hebbian Learning-based method that automates the organisation of cases and the retrieval stage of case-based reasoning systems. The proposed methodology has been derived as an extension of the Principal Component Analysis, and groups similar cases, identifying clusters automatically in a data set in an unsupervised mode. The method has been successfully used to completely automate the reasoning process of an oceanographic forecasting system and to improve its performance.