When you run the data product, Tamr groups records that refer to the same entity into a cluster, using a trained model. Cluster size can range from one record to thousands of records.

Tamr also applies record consolidation rules that produce a single entity that best represents each cluster - the golden record. These rules determine the most appropriate value for each golden record attribute.

Note: Your data product enters a read-only state while running, meaning you cannot edit clusters until the flow finishes running. You can edit attribute values while a flow is running.

Curating Data

Adjusting Clusters

When you override clusters, by merging entities, creating new entities, or by moving source records between entities, these changes are applied after records are clustered the next time the flow is run. These changes then persist on subsequent mastering flow runs. See Modifying Source Record Clusters.

Overriding Attribute Values

When you override an attribute value, the value updates automatically. This value is persistent; it is not overwritten when the mastering flows delivers updated data. If the mastering flow is re-run, this value persists.
See Editing Mastered Entity Attribute Values.

Override Process

When you merge entities, move records between entities, or create new entities, your changes are applied the next time you run the data product. First, source records are clustered using the model and any user-defined rules, and then the overrides are applied.

For attribute value overrides, Tamr Cloud automatically updates the mastered entity data with the override value. The override value is also included in exported data. When the mastering flow is re-run, attribute overrides are re-applied when the flow completes.