negativity of text; this is the stage of Fuzzification. To identify opinion of a text and to ensure flexibility, the authors have … used a threshold of opinion. Further, they have adapted the defuzzification step for identifying opinion. Finally, they …

This paper describes the fuzzification and defuzzification process in the framework of hybrid systems comprising Fuzzy … each concept. The defuzzification process is more complicated than the fuzzification one and consists of four basic … Cognitive Maps (FCMs) and Genetic Algorithms (GAs). More specifically, it provides a stepwise methodology for fuzzification and …