A decision support system for geotechnical applications

百花草

Abstract
A knowledge-based system shell called ‘Confound’ has been developed for the production
of decision support systems. It was initially used for developing a system for conceptual foundation
design but has subsequently been used for retaining wall, expansive soil and ground
investigation applications. It uses a hierarchical object-oriented knowledge base where each
object represents a decision in the decision making process. A simple rule-based approach is
used to provide advice on the suitability of each potential choice, based on project specific
information that is provided by the user. Confound has the ability to work with incomplete
information and uses a system of confidence levels so that the user is aware of the confidence
with which each piece of advice is given. Conflicting information in areas where knowledge is
poorly defined can also be handled. Confound is designed to leave the user in full control. It
simply provides comments on suitability (with an indication of confidence) and leaves the final
decision to the user. # 2001 Elsevier Science Ltd. All rights reserved.
Keywords: Knowledge-based system; Decision support system; Artificial intelligence; Foundation; Design

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