n
Do not update A since we are fixing it
n
n
If we
select
A then do
not
update B
n
Sampling from P(B|A=a)
¹
P(B)
n
n
If we
force
A then we can update B
n
Sampling from P(B|A:=a) = P(B)*
n
n
Update all other nodes as usual
n
n
Obtain new density:
Updating parameter density
n
*Pearl 2000
A
B
J
M
Bugulary
John
Mary
Alarm