Named Entity Recognition 25.4
Named Entity Recognition User and Programming Guide

# Match Validity

Named Entity Recognition assesses the validity of a match in the following order:

1. If the match is found outside of the required zones, discard it.
2. If the match does not meet the minimum score requirement, discard it.

3. If duplicates are allowed:

   - If the instance of the match is allowable, count this instance and return the match.
   - Otherwise, count this instance and discard it.

4. If duplicates are not allowed for the entity field:

   - If the matched text has been found before, discard it.
   - Otherwise, if the instance of the match is allowable, count this instance and return the matched text.
   - If the instance of the match is not allowable, count this instance and discard it.

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Version 25.4 | Last updated October 2025

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Product: Knowledge Discovery Named Entity Recognition 25.4

Topic Title: Match Validity