22. The computer-useable storage medium of claim 15 , wherein assigning a matching score comprises processing the search score based on a similarity definition for noise reduction.
22. The computer-useable storage medium of claim 15 , wherein assigning a matching score comprises processing the search score based on a similarity definition for noise reduction. 28. The computer-useable storage medium of claim 22 , wherein processing for noise reduction comprises omitting a timestamp, a sequence number identifier, and duplicate lines from the problem description information of the previously diagnosed problems in the problem description index and the problem description information of the new problem.