Reasoning with Reasoning with BayesBayes Notes | EduRev

: Reasoning with Reasoning with BayesBayes Notes | EduRev

 Page 1


Reasoning with 
Reasoning with 
Bayes
Bayes
Networks
Networks
Course: CS40022
Course: CS40022
Instructor: Dr. 
Instructor: Dr. 
Pallab Dasgupta
Pallab Dasgupta
Department of Computer Science & Engineering Department of Computer Science & Engineering
Indian Institute of Technology Indian Institute of Technology Kharagpur Kharagpur
Page 2


Reasoning with 
Reasoning with 
Bayes
Bayes
Networks
Networks
Course: CS40022
Course: CS40022
Instructor: Dr. 
Instructor: Dr. 
Pallab Dasgupta
Pallab Dasgupta
Department of Computer Science & Engineering Department of Computer Science & Engineering
Indian Institute of Technology Indian Institute of Technology Kharagpur Kharagpur
CSE, IIT CSE, IIT Kharagpur Kharagpur
Belief Network Example
Belief Network Example
Alarm
Burglary Earthquake
JohnCalls
MaryCalls
0.05 0.05 F F
0.90 0.90 T T
P(J) P(J) A A
0.01 0.01 F F
0.70 0.70 T T
P(M) P(M) A A
0.001 0.001 F F F F
0.29 0.29 T T F F
0.95 0.95 F F T T
0.95 0.95 T T T T
P(A) P(A) E E B B
0.001 0.001
P(B) P(B)
0.002 0.002
P(E) P(E)
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