1. A method of extracting data from service repair verbatims in a vehicle service reporting system, each service repair verbatim including a technician's comments concerning a part, a symptom associated with the part, and a repair action associated with the symptom, the method comprising the steps of: collecting service repair verbatims from a vehicle service reporting system, each service repair verbatim including information relating to an identified problem with at least one vehicle part; providing a diagnostic and prognostic ontology database that is structured by vehicle part classification, a vehicle part sub-class classification, and a relationship classification, wherein the relationship classification includes symptom relationships and action relationships; reconstructing each of the service repair verbatims utilizing the diagnostic and prognostic ontology database; extracting combinations of information from the reconstructed service repair verbatims as a function of user input criteria; determining a frequency of each combination extracted in the reconstructed service repair verbatims, and; clustering the service repair verbatims for each combination.