(non-computer tech here) Critical points taken, but what about the value to the Cleveland Clinic's cardiology dept.? See article by Clinic's IT semantic web project staff at
http://www.w3.org/2001/sw/sweo/public/UseCases/ClevelandClin.... Isn't that the utiility of a deductive reasoning engine - taking disparate data overwhelming to humans - and cranking through it as queried in human language terms? I'm just asking.