O'Reilly Network articles about this topic:
Understanding UDDI and JAXR
This article takes you into the spec for UDDI, the Universal Description, Discovery and Integration, with an explanation of tModels, binding templates, and identity and category bags. JAXR is also briefly covered.
Other documents about this topic:
Below are other references available on the web for this topic. Since other sites may change their links, please
if you find any that may need to be updated.
A Web Services Primer
A review of the emerging XML-based web services platform, examining the core components of SOAP, WSDL and UDDI.