Starting from the adjacency matrix of the directed acyclic graph of the network
contained in an InferenceEngine, build a JunctionTree for the network
and store it into an InferenceEngine.
## Not run: # dataset <- BNDataset("file.header", "file.data")# net <- BN(dataset)# eng <- InferenceEngine()# eng <- build.junction.tree(eng)# ## End(Not run)