"The sad fact is that communicating anything more complicated than inches-to-millimeters, in a data space less fixed than stock quotes, will require AI of the sort that’s been 10 years away for the past 50 years.
Without AI, the description and discovery of Web Services is going to require a great deal of good old fashioned human intelligence. And whenever humans get involved, things get sticky."
11/01/01 update: at first glance, WS-Inspection sounds more realistic than UDDI.