20. The method of claim 1 , applying the second set of rules resulting in assigning respective scores to respective groups of segments, the computer determining whether the on-line bank account is a business account or utilized for business purposes based at least in part upon the respective scores for respective groups of segments.
20. The method of claim 1 , applying the second set of rules resulting in assigning respective scores to respective groups of segments, the computer determining whether the on-line bank account is a business account or utilized for business purposes based at least in part upon the respective scores for respective groups of segments. 25. The method of claim 20 , the second set of rules comprising a rule that assigns a score to a group of segments based at least in part upon an n-gram analysis.