Have a look at this
. I managed to install those drivers last year and I hope that what I wrote is not outdated yet. The "guide" is a little bit messy - search for the chapter starting with "Now that we have X and enlightenment and VNC running".
Pre-compiled drivers didn't work for me - had to compile them manually.
Fedora Core delivers pre-compiled kernels - you should therefore already see with "lsmod" the "usbtouchscreen" module loaded - if not, you'll probably need to compile a kernel on your own.
Hope it helps. Good luck