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Medical diagnostic expert system based on PDP model

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2 Author(s)
Saito, K. ; Commun. & Inf. Process. Lab., NTT, Kanagawa, Japan ; Nakano, R.

The applicability of PDP (parallel distributed processing) models to knowledge processing is clarified. The authors evaluate the diagnostic capabilities of a prototype medical diagnostic expert system based on a multilayer network. After having been trained on only 300 patients, the prototype system shows diagnostic capabilities almost equivalent to those of a symbolic expert system. Symbolic knowledge is extracted from what the multilayer network has learned. The extracted knowledge is compared with doctors' knowledge. Moreover, a method to extract rules from the network and usage of the rules in a confirmation process are proposed.<>

Published in:

Neural Networks, 1988., IEEE International Conference on

Date of Conference:

24-27 July 1988