The second link is broken on HN because it contains a space. Here's a clickable version: https://vision.unipv.it/IA2/Factor%20graphs%20and%20the%20sum-product%2

The second link is broken on HN because it contains a space. Here's a clickable version: https://vision.unipv.it/IA2/Factor%20graphs%20and%20the%20sum-product%20algorithm.pdf https://vision.unipv.it/IA2/Factor%20graphs%20and%20the%20su...