data cleansing
process of detecting and correcting (or removing) corrupt, inaccurate or unwanted records from a record set
en-US/ˈdædə ˈklɛnzɪŋ/
en-GB/ˈdeɪtə ˈklɛnzɪŋ/
process of detecting and correcting (or removing) corrupt, inaccurate or unwanted records from a record set