Development of an optimal spatial decision-making system using approximate reasoning
There is a recognised need for the continued improvement of both the techniques and technology for spatial decision support in infrastructure site selection. Many authors have noted that current methodologies are inadequate for real-world site selection decisions carried out by heterogeneous groups of decision-makers under uncertainty. Nevertheless despite numerous limitations inherent in current spatial problem solving methods, spatial decision support systems have been proven to increase decision-maker effectiveness when used. However, due to the real or perceived difficulty of using these systems few applications are actually in use to support decision-makers in siting decisions. The most common difficulties encountered involve standardising criterion ratings, and communicating results. This research has focused on the use of Approximate Reasoning to improve the techniques and technology of spatial decision support, and make them easier to use and understand. The algorithm developed in this research (ARAISS) is based on the use of natural language to describe problem variables such as suitability, certainty, risk and consensus. The algorithm uses a method based on type II fuzzy sets to represent problem variables. ARAISS was subsequently incorporated into a new Spatial Decision Support System (InfraPlanner) and validated by use in a real-world site selection problem at Australia's Brisbane Airport. Results indicate that Approximate Reasoning is a promising method for spatial infrastructure planning decisions. Natural language inputs and outputs, combined with an easily understandable multiple decision-maker framework created an environment conducive to information sharing and consensus building among parties. Future research should focus on the use of Genetic Algorithms and other Artificial Intelligence techniques to broaden the scope of existing work.
Year of publication: |
2005
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Authors: | Bailey, David Thomas |
Publisher: |
Queensland University of Technology |
Subject: | spatial decision-making system | approximate reasoning | ARAISS | Brisbane Airport | Artificial Intelligence |
Saved in:
freely available
Type of publication: | Book / Working Paper |
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Type of publication (narrower categories): | Thesis |
Notes: | Bailey, David Thomas (2005) Development of an optimal spatial decision-making system using approximate reasoning. PhD thesis, Queensland University of Technology. Faculty of Built Environment and Engineering |
Source: | BASE |
Persistent link: https://www.econbiz.de/10009437987
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