An entire ERP system in a single diagram

I found a lovely structural breakdown of ERP on the Technology Evaluation Centers web site. Their motivation in breaking down ERP is to compare multiple ERP products in a meaningful fashion.

While the TEC web site uses a tree control to allow users to navigate through the capabilities of ERP software, my interest is in creating a UML representation of the same. Here is what I came up with:

I do not have the patience to create the 3000+ use cases that reside in these many packages, but if someone is looking for what is broadly in the scope of the term “enterprise resource planning”, this diagram is very illuminating.