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Rapid Battle Cards 11–20

11. False Positive vs False Negative

  • False positive: different entities incorrectly linked together.
  • False negative: same entity not linked together.
  • Memory: positive says “same” when false; negative says “different” when false.

12. Deterministic vs Probabilistic Matching

  • Deterministic: defined rules/patterns; repeatable result.
  • Probabilistic: statistical likelihood; trained/tuned with data.
  • Deciding clue: declared rule vs estimated probability.
  • Duplicate identification: flags possible duplicates for review.
  • Match-link: creates identity/cross-reference linkage.
  • Deciding clue: flag only vs establish relationship.
  • Match-link: links without altering source attributes.
  • Match-merge: reconciles values into one unified record.
  • Deciding clue: identity connection vs content reconciliation.

15. Match-Merge vs Survivorship

  • Match-merge: workflow that creates unified record.
  • Survivorship: rules deciding which source values survive.
  • Deciding clue: action vs attribute-selection logic.

16. Global ID vs Source ID

  • Global ID: MDM-assigned enterprise identifier.
  • Source ID: local identifier from source system.
  • Trap: Global ID does not require erasing local IDs.

17. Global ID vs X-Ref

  • Global ID: identity value for reconciled entity.
  • X-Ref: mapping/history from source IDs to Global ID.
  • Deciding clue: identifier vs traceability relationship.

18. Affiliation vs Parent-Child

  • Affiliation: flexible typed association.
  • Parent-child: direct hierarchy with implied navigation.
  • Deciding clue: many/contextual relationships vs fixed hierarchy.

19. Registry vs Transaction Hub

  • Registry: index points to Master Data in SORs.
  • Transaction Hub: hub stores/updates Master Data and becomes SOR.
  • Memory: Registry points; Transaction Hub owns.

20. Registry vs Consolidated

  • Registry: index; consumers/services assemble from source-held data.
  • Consolidated: shared stored copy/repository serves as System of Reference.
  • Deciding clue: point to sources vs store reconciled consumer copy.

Source: pp. 343–351.

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