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To create a derived skill, do one of the following:
  • Select a skill in the Skill Catalog and click the derive skill icon.
  • Double-click the name of a skill in the Skill Catalog and in the dialog box that opens, click Create and Edit Derived Skill.
To see the base skill of a derived skill, click the settings button next to the name of the derived skill.

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Base Skill Activity

When a derived skill is created, an activity referencing its base skill will be added at the beginning of the document processing flow. This activity will be named as follows: Base: <Base Skill Name>. It cannot be edited or deleted.
Note: To test other activities, you can exclude the Base: <Base Skill Name> activity from the document processing flow by redirecting the arrow pointing to this activity to another activity. If you are not satisfied with the derived skill after testing, consider creating a custom skill from scratch.

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Fast Learning Activity

A Fast Learning activity will also be added immediately after the Base: <Base Skill Name> activity. You can modify this activity as follows: enable or disable fields, add new fields, or train the activity. If needed, you can delete this activity; in this case, the skill will no longer be trainable. For more information about the Fast Learning activity, see Setting up a Fast Learning activity.
Note: When updating a derived skill to the new version of its base skill, the Fast Learning activity will not change. This preserves the training results on custom examples in the derived skill.

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Adding Additional Activities

You can also add other activities to the document processing flow at any position before or after the Base: <Base Skill Name> activity. For example, you can add an Address Parsing activity to break down full addresses extracted by the base skill.