Model Drift
AI Systems and OperationsEssentialAppliedNeeds source verification
Definition
Changes in the data or environment over time that degrade a model's performance.
Context
Researchers
Example
We're seeing model drift due to changes in customer behavior.
Professional scenario
A sepsis-risk model becomes less reliable after a hospital changes documentation workflows.
Governance implication
Monitor performance after deployment and investigate changes.
Question to ask
What changed since this model was validated?
Relevant to
AI / IT, Data Scientist, Healthcare Leader, ML Engineer, Nurse, Pharmacist, Physician, Researcher (Suggested — not reviewed)
Source: Excel column 2; ubitiquos_lang.pdf
Verification: Not independently verified
Version 0.1-draft · AI-GLOSS-0170