Expert System for Diagnosing Diabetes Mellitus Disease using Forward Chaining Method

In this era of globalization, computers are needed in almost all aspects of life. Computers are tools to help process a job so that it can be easier and more efficient. An expert system can function as a consultant providing advice to users as well as an assistant for experts. One way to overcome and help detect the level of risk of Diabetes Mellitus. Diabetes Mellitus is a disease which is a syndrome in the human body where high body sugar levels occur due to a lack of the hormone insulin. Several types of diabetes mellitus are: Diabetes Mellitus Type 1, Diabetes Mellitus Type 2, Gestational Diabetes Mellitus and Other Types of Diabetes Mellitus. As for the symptoms of Diabetes Mellitus, namely, Polyuri (frequent urination), Polyfagi (easy to feel hungry), Polydipsi (easy to feel thirsty), and others. Expert System is a computer program system that seems to have the ability of an expert in a certain field of knowledge. In this study, the method used is the forward chaining method and the programming languages ​​used are PHP and HTML for web applications. The database uses MySQL, the tools and editors used are XAMPP version 1.7.3. the system built is very helpful for an expert in diagnosing Diabetes Mellitus.