Went through the archives today and found the attached pdf, a hand-made graph depicting some relationships in the system. This is from February of 2009! I used to draw a lot of these on a grease board to figure out what was going on in the system while it was being developed. This all is generated automatically. We actually have a way of plotting a graph that tracks the progress of data curating while the curator is working on it. This will be a post and code in a separate post.
Here is the old graphic: Visio-relational web