However, it will not get down to the specific universe objects in a report, which is a challenge to get to because none of that information is stored in the CMS database. I'm in the process of writing a program for a client that will pull this information, but if you're on BI4.x, it has to be done through the RESTful Web Services on a report-by-report basis - there's no way to query for "Which reports use object x from universe y?"
-Dell