20. The computer-readable medium of claim 19 , wherein the information retrieval technique further comprises: weighting the sub-strings; scoring known strings of characters; and retrieving information associated with a known string having the highest score.
20. The computer-readable medium of claim 19 , wherein the information retrieval technique further comprises: weighting the sub-strings; scoring known strings of characters; and retrieving information associated with a known string having the highest score. 21. The computer-readable medium of claim 20 , further comprising program code to automatically accept the known string having the highest score as an exact match, responsive to the highest score being greater than a first threshold.