Join trees*
P(A)
P(S | A,G)
P(G)
P(A,S)
x
x
x
E, S, C
C, L
C, S-C
A join tree is a partially precompiled factorization
Smoking
Gender
Age
Cancer
Lung
Tumor
Serum
Calcium
Exposure
to Toxics
* aka junction trees, Lauritzen-Spiegelhalter, Hugin alg., …
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