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DATA-CLEANING5 MIN READ

Build a Duplicate Review Queue

Use Pareto focus to review the duplicates that create most risk.

A support export has 9,400 possible duplicate contacts. Nobody will review them all, and auto-merging risks losing VIP history. Pareto analysis focuses effort on the categories or cases that create most impact. In duplicate cleaning, that means ranking candidates by business risk: revenue attached, open tickets, conflicting identifiers, and match confidence. The queue should send high-impact ambiguous cases to humans while auto-resolving low-risk exact duplicates. The common trap is editing visible bad values directly, then losing the ability to explain which rows changed and why. Generate candidates Match on normalized email, phone, and company plus source IDs. Candidate generation is…

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