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Electronic warfare situation analysis using a geographic information system/expert system

Stressful working condition, large volume of data and complexity of the battlefield analysis process challenge even the most experienced situation analyst. An expert system tool called ExpertANALYST has previously been developed to help EW analysts process the large amount of information that current EW sensor systems collect. The expert system in the ExpertANALYST processes relatively low level data and does not consider many sources of information. In order for it to produce more sophisticated analysis, it must have access to the same information that is available to human analysts. The paper describes GIS/Expert System prototype software that extends the analysis capabilities of the expert system. The extension adds geo-spatial analysis capability through the interaction with a commercial GIS. This tool allows testing analyst- supplied hypothesis using knowledge defined in the rule base and the GIS data. Preliminary results are promising; however, the limited availability of fuzzy geo-spatial data prompts for further investigation on the use of fuzzy set- based techniques in situation analysis.