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All Journal ComTech: Computer, Mathematics and Engineering Applications
Sali, Richardo Kusuma
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Computer Science & IT Engineering Mathematics

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USING CERTAINTY FACTOR METHOD TO HANDLE UNCERTAIN CONDITION IN HEPATITIS DIAGNOSIS Saputri, Aprilia Eka; Sevani, Nina; Saputra, Fajar; Sali, Richardo Kusuma
ComTech: Computer, Mathematics and Engineering Applications Vol 11, No 1 (2020): ComTech (Inpress)
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v11i1.5903

Abstract

The research aimed to develop a web-based application using the certainty factor. The use of this certainty factor method allowed processing the data based on the degree of confidence from the experts and the users. The users inputted their symptoms each with the level of confidence. The inference engine drew some conclusions based on the matching process between the input and the rules in the knowledge-based. For every matching pair, the system will calculate the certainty factor. The knowledge-based was developed through discussion with three specialist physicians and literature in some previous studies. The evaluation of the system involved three specialists for validation testing and 51 respondents for BlackBox testing. The final result is displayed in the form of a percentage for each hepatitis type, explanation of first aid for hepatitis, and referral hospital for hepatitis patients. The result shows that the error rate in the diagnosis process is under 36%. Most of the respondents think that the quality of the system is good overall.
Co-Authors Nina Sevani saputra, fajar Saputri, Aprilia Eka