APLIKASI SISTEM PAKAR DENGAN MENGGUNAKAN CERTAINTY FACTOR UNTUK DIAGNOSA PENYAKIT KANKER HATI BERBASIS WEBSITE

The purpose of this study is to design and build expert system applications for early detection of liver disease using the website-based certainty factor method. Data collection methods used in this study are observation, interviews and literature studies, this system is built with the method of developing the waterfall system, while the stages of the waterfall method are analysis, design, coding and testing. This expert system was built using the PHP programming language and mysql database. The results of this study were successful in building an expert system application for early detection of liver disease using the website-based certainty factor method to facilitate users in early detection of heart disease without having to consult a liver disease specialist.