Publication Search

An expert system is artificial intelligence that imitates the ability of an expert to solve problems in a certain domain. Utilizing a knowledge base and specified rules, the expert system provides advice or decisions that approach human expertise in this specific field, especially regarding cholesterol disease for teenagers, cholesterol disease can cause death in a person so it needs initial treatment as a diagnosis. In this regard, an expert system application is needed to diagnose cholesterol disease for users which supports the diagnosis process using the certainty factor method, based on the certainty factor which has a concept based on symptoms and diagnosis from the weight of an expert's value and the user's value, then calculated using the certainty factor formula, The final result is the creation of an expert system application for diagnosing cholesterol disease using a website-based certainty factor method.

Dental erosion is described as the loss of the enamel on the teeth. At first, people who experience tooth erosion will not feel that their teeth are experiencing tooth erosion, until when tooth erosion has reached the dentin. Tooth erosion that has reached the dentin is characterized by, among other things, a feeling of pain in the teeth. However, there are many people who are unfamiliar with dental erosion, so a system that can be accessed online is needed to help patients or the public to consult independently. This expert system is designed using the PHP Programming Language and MySQL Database and the method used is a certainty factor. The result of concultationtest with the system is able to determine the disease along with the intial treatment or treatment that be must be carried out based on the symstoms selected by the user.

ABSTRAK The development of computer technology helps many aspects of life. One aspect of life that takes advantage of technological developments is the health sector, in order to solve problems including brain tumors. Brain Tumor Disease is the growth of abnormal cells in or around the brain in an unnatural and uncontrolled manner. Patients with brain tumors continue to increase every year, because the initial symptoms are often underestimated. Therefore created a software that can help diagnose brain tumors using the certainty factor method