5. The fuzzy methodology for malaria diagnosis
The knowledge base for malaria contains both static and dynamic information.
There are qualitative and quantitative variables, which are analyzed in order to arrive at a diagnostic conclusion.
The fuzzy logic methodology involves fuzzification, inference, and defuzzification. The basic flow of information of fuzzy
logic mechanism is illustrated in Fig. 6 (Pena-Reyes & Sipper, 1999).
The fuzzy system is a rule based system that uses fuzzy (approximate) logic rather than Boolean (exact) logic.
It has the following key components: