Concept

Consistent Auxiliary Data Source

An auxiliary data source is consistent with the target task when the same input-to-label mapping works across both the auxiliary and target sources. In the cat-image example, the label indicating whether a cat is present can be predicted from the image even without knowing whether the image came from the internet or a mobile app, so internet-image recognition is consistent with mobile-app-image recognition.

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Updated 2026-05-27

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