System and method for generating a target database from one or more source databases

摘要: A software system and method is disclosed for creating maintaining an audience member database based on multiple source databases. Rankings of relative accuracy data elements each are maintained. To determine whether a given record represents the same represented by target database, comparisons made various non-encoded encoded fields respective databases to identify most closely-matching record. If such identified, only those from records that have higher ranking than in updated. The itself may be directly editable its associated with rankings. Optionally, user select parameters specify how closely candidate match must order achieve optimal balance speed vs. accuracy.