UDDI and ebXML have been someone competitive architectures which are now coming together at least in compatibility. There is a white paper at this link entitled "Using UDDI to Find ebXML Reg/Reps". This could show you how to use the two together. As far as general introductory web services info and what is located on what server you might want to check out the tutorial on Sun's Java site.
I’ve looked at a lot of different solutions, and in my humble opinion Aspose is the way to go. Here’s the link: http://aspose.com