DIAGNOSTIC EXPERT SYSTEM DIGESTIVE DISEASES IN HUMANS USING WEB-BASED CERTAINTY FACTOR METHOD

Abstract

The development of the times greatly affects the development of disease, where disease develops every year, especially disorders of the human digestive system which is one of the important organs for the human body. The community also needs information about the disease they are suffering from, starting from symptoms, determining the type of disease until the solution still depends on specialist doctors. In addition to the small number of doctors, the costs required for consultation are not cheap. So it is necessary to have a system to diagnose diseases of the digestive system. Where this application is the implementation of previous knowledge in diagnosing a disease by providing a statement and information into the system into an expert system. This subject contains a review of the literature used by the author as the basis for making the Diges App 1.0 application. There are several sections in this literature review, namely previous research, human digestive diseases, PHP Hypertext Preprocessor, Photoshop CS6, Navigation Structures and UML. made error free in the coding stage. This application is better used on the Google Chrome browser because the interface is more attractive and can display according to the code that has been inputted, compared to the Mozilla Firefox and Uc Browser browsers.Keywords: Expert System, Certainty Factor Method, Digestive Disease, Web