You can use the tMatchGroup component to detect duplicates and define how to merge similar records to create a master record.
Creating a master record is an iterative process: each new master record can be used to find new duplicates.
You can choose between two different algorithms to create master records:
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Simple VSR Matcher
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T-Swoosh
The main difference between the two algorithms is that T-Swoosh creates, for each master record, a new record that does not exist in the list of input records.