By Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science.
Online text: ocw.mit.edu/courses/6-438-algorithms-for-inference-fall-2014/176d4c3a360b7ee4a32169f551b0722d_MIT6_438F14_rec8.pdf
Cited passages: §1, The Junction Tree Algorithm; §6, Relationship between chordal graphs and junction trees.