16. The non-transitory computer-readable medium of claim 15 , the operations further comprising: determining that the second string includes a set of characters or patterns indicating that the second string is the surname.
16. The non-transitory computer-readable medium of claim 15 , the operations further comprising: determining that the second string includes a set of characters or patterns indicating that the second string is the surname. 18. The non-transitory computer-readable medium of claim 16 , wherein determining the confidence score is further based on determining that the second string includes the set of characters or patterns indicating that the second string is the surname.