Representing Uncertain Information
Agent cannot access the whole truth about its environment
Represent the degree of belief of knowledge
Core problem in knowledge representation
Many competing formalisms in the past
- Certainty factors
- Dempster-Shafer Theory
- Fuzzy logic
Probability theory is now the dominant formalism
- Reasoning based on Belief Networks (a.k.a. Bayes Nets)
Covered in CS228 - KR&R Under Uncertainty
- Taught by Professor Daphne Koller