How ERP-CM determines score and potential for replatforming candidates

  • Release version: Washingtondc
  • Updated February 1, 2024
  • 2 minutes to read
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    Summary of How ECM Determines Score and Potential for Replatforming Candidates

    ERP Customization Mining (ECM) assesses legacy ERP candidates for replatforming to the ServiceNow AI Platform by generating a score that indicates their potential. Each candidate is associated with an ERP module that aids in evaluating their compatibility with the platform, focusing on remote and extraction tables that facilitate data processing.

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    Key Features

    • Candidate Evaluation: Candidates are scored based on how well their tables and fields align with the ServiceNow AI Platform.
    • High Potential: A candidate with a high score indicates immediate usability of matching remote and extraction tables without further modifications.
    • Low Potential: A low score suggests limited compatibility with available ERP models.
    • Scoring Metrics: The potential score incorporates various metrics, including the number of utilized ERP models, similarity to other candidates, and support ratios for tables and operations.

    Key Outcomes

    Understanding the scoring mechanism enables ServiceNow customers to identify which ERP candidates are suitable for replatforming with minimal adjustments. Admins must ensure connections to the ERP system are configured properly in ERP Integration to facilitate accurate evaluations. By leveraging ECM, organizations can effectively prioritize ERP candidates for upgrades, optimizing their migration strategy to the ServiceNow platform.

    ERP Customization Mining (ERP-CM) generates a score to rank the potential for replatforming legacy ERP (Enterprise Resource Planning) candidates onto the ServiceNow AI Platform.

    Every candidate has an ERP module specified in the candidate details in ERP-CM. The ERP module is used to evaluate the potential score of the candidate for replatforming, as well as the remote tables and extraction tables the model contains.
    • Remote tables get their records from running an associated script against an external data source.
    • Extraction tables retrieve large amounts of data once a day using a scheduled query, and use transform tables to process data for use on the ServiceNow AI Platform.
    Note:

    Admins must first configure the connection to the ERP system in ERP Canvas. For more information, see Working with ERP systems in ERP Canvas.

    High and low scores for candidate potential

    ERP-CM evaluates candidates based on how well their tables and fields are supported by the ServiceNow AI Platform.
    • A high potential indicates that ERP-CM can immediately use remote tables and extraction tables that match the ERP model for the application candidate without making additional changes.
    • A low potential indicates that the application candidate matches few of the remote tables and extraction tables in the ERP models in ERP Canvas.

    How scores are calculated

    The candidate potential score is calculated using the following metrics:
    • ERP models: The number of ERP models that the candidate uses remote tables and extraction tables from.
    • Similar candidates: The number of candidates with a similarity score above the threshold, which accounts for both table-based similarity and model-based similarity.

      The threshold can be adjusted in the System Properties [sys_properties] table, and the default OR condition can be changed to AND.

    • Supported table score: The ratio of the number of custom app tables that are supported by any ERP model relative to the number of custom app tables.
      Note:
      Tables from either the Technical or ServiceNow table clusters are ignored from these computations.
    • Supported table usage: The ratio of tables supported by the relevant ERP models that are used by the custom app.
    • Unsupported model penalty: A penalty for the number of unsupported operations on tables in ERP models. The number of unsupported operations is passed through a sigmoid function, so it ranges from 0.0 and 1.0.
    • Unsupported table extensions: The number of custom app tables that are also suggested as model extensions.
    • Model inaccuracy: The number of tables supported by relevant ERP models that aren’t used by custom apps, and are passed through a sigmoid function.