Advanced Topics

Advanced Topics

1. Bayesian Networks

   • Allow the representation of relations of independence between random variables
   • Used in probabilistic inference
   • Elvira project
     • Free tool to construct model based decision support systems

2. Fuzzy logic

   • Can handle vague information or information which is difficult to be specified
   • Concepts
     • Fuzzy sets
       • Innacuracies presented in information
     • Vague concepts
       • Inherent uncertainty of real world
     • Membership functions
       • Arbitrary manner
     • Logical operators
       • Like in boolean logic, but can change from case to case
     • Linguistic variables
       • Comparisions using words