10 Mar 2004
CS 3243 - Bayesian Networks
8
Semantics
The full joint distribution is defined as the product of
the local conditional distributions:
P (X1, … ,Xn) = πi = 1 P (Xi | Parents(Xi))
e.g., P(j Ù m Ù a Ù Øb Ù Øe)
= P (j
|
a) P (m | a) P (a | Øb, Øe) P (Øb) P (Øe)
n