Who will be using the archive?
Power Users sophisticated, with lots of resources research is centered around the archive data moderate number of very intensive queries mostly statistical, large output sizes
General Astronomy Public frequent, but casual lookup of objects/regions the archives help their research, but not central to it large number of small queries a lot of cross-identification requests
Wide Public browsing a ‘Virtual Telescope’ can have large public appeal need special packaging could be a very large number of requests