We've created a few example catalogs, with many more coming soon.
To open and example:
Click on one of the example model links to download the file to a location on your local machine. (You may need to do this from your standard browser.)
Open the catalog. See this section for details.
Shows a simplified graph visualization as described in Use Scale to Make Graphs Effective.
Shows an example of Browsing Multiple Pages.
Shows a visualization example discussed in this blog entry.