Patent ID: 8635197

Claim:
A computer program product for data cleansing, said computer program product comprising: a computer readable storage medium having computer readable program code embodied therewith, the computer readable program code comprising: computer readable program code configured to access data records; computer readable program code configured to convert said data records to an intermediate form; computer readable program code configured to utilize intermediate forms of said data records to compute similarity scores of individual ones of said data records with respect to one another; computer readable program code configured to provide, from among said data records, at least one example record for rule making; and computer readable program code configured to thereafter select from among said data records at least one additional example record for rule making; the additional example record comprising at least one record presenting at least one similarity score which indicates a least similarity with respect to the at least one example record already provided; the at least one example record and the at least one additional example record comprising a rule set; computer readable program code configured to employ a difficulty method to select from among said data records at least one training instance for updating the rule set; and the selected at least one training instance comprising at least one example record presenting at least one similarity score which indicates a least similarity with respect to at least one example record in the rule set.