analytics-dictionary / term / data infrastructure

Entity resolution

Entity resolution is determining whether different records refer to the same real-world entity, such as a customer or company.

Written by Reflective Data experts · updated Oct 5, 2026

It cleans up duplicates across systems, for example the same company in the CRM and billing. It uses matching rules or models on names, emails, domains and other attributes.

Accurate entity resolution is the foundation of any single customer view.

Data quality Identity resolution Master data management (MDM)

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