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If all of the rule results specified in the Network Sub-map for a specific typology have not yet been received, the incoming rule result must be cached so that it can be retrieved at a future time when all of the rules had been received.

5.5. Read typology

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configuration

If all of the rule results specified in the Network Sub-map for a specific typology have been received, the Typology Processor must retrieve the typology expression configuration for the beneficiary typology so that the rule results can be combined into a typology score.

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The individual rule result scores, as a mapped to a weighted number based on the rule’s boolean outcome (TRUE or FALSE), is defined as part of the typology expressionconfiguration. Once mapped to a numerical value, the typology score is calculated as the sum of all rule result values.

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Once calculation of the typology score is complete, the Typology Processor must pass the typology result, including the transaction information, Network Sub-map, typology results and rule results to the Channel Aggregation and Decisioning Processor.

Future enhancement - Typology interdiction

It makes sense for the typology processor to be able to interdict a transaction directly, if the threshold for interdiction has been met. This trigger was initially intended to be processed by the CADProc and may still be added to the CADProc for interdiction triggers over an aggregated assessment over a number of typologies, but it is more efficient to let a typology trigger its own interdiction immediately on a threshold breach.

  1. For a given typology, a specific threshold value must be linked to the typology for the following workflow outcomes:

    1. Interdiction: If a typology score is equal to or greater than this value, the Typology Processor will trigger an interdiction workflow to instruct the client system to block the transaction.

    2. Review: If a typology score is equal to or greater than this value, the Typology Processor will trigger an alert to the Case Management System to initiate an investigation into the transaction.

    3. None: If a typology score is less than the Review threshold, no triggered action is taken by the Typology Processor.

  2. The threshold for interdiction and investigation will be defined in the typology configuration.