The gradual divergence of a model's inputs, outputs or performance from its validated baseline over time; a runtime signal that a control or eval must catch. The two kinds to tell apart are data drift, in the inputs, and concept drift, in the input-to-answer relationship.
- Developed in
- ch. 15, Drift: what moves and how to see it
ch. 05, Pattern: Drift & Fairness Monitor
ch. 17, AI-specific failure modes - Chapters
- ch. 04, The Stack · ch. 05, Patterns · ch. 11, AI Defined · ch. 15, Deployment · ch. 16, Fairness & XAI · ch. 17, Incidents
- Contrast with
- Data drift · Concept drift
- Source
- Defined by this Body of Knowledge: the section it is developed in is the source
Where it is used
15 chapters of the Body of Knowledge use the term. Each link opens the first section that does.
- 04 · The Stack Layer 02: Inventory & Transparency 1 mention
- 05 · Patterns Pattern: Drift & Fairness Monitor 2 mentions
- 06 · The Role What the role owns, by workflow 1 mention
- 07 · Maturity Model The five levels 2 mentions
- 08 · Regulatory Map EU AI Act, post-Omnibus 4 mentions
- 11 · AI Defined From definition element to registry field 7 mentions
- 12 · Governance Program KPIs and KRIs for leadership and the board 2 mentions
- 13 · Risk Management NIST AI RMF and ISO/IEC 23894 on the stack 3 mentions
- 14 · Development The use-case record 4 mentions
- 15 · Deployment The deployment lifecycle at a glance 16 mentions
- 16 · Fairness & XAI Interpretable by design or explained after the fact 1 mention
- 17 · Incidents Opening 12 mentions
- 19 · Privacy & AI Principles applied to AI 1 mention
- 20 · Existing Law Product liability 1 mention
- 22 · Principles & Standards OECD AI Principles 3 mentions
Patterns that use this term
19 pattern pages use the term; the 10 that use it most:
- Drift & Fairness Monitor 12 mentions
- Fairness Eval Suite 3 mentions
- Disclosure & Notification Pipeline 3 mentions
- Policy Card 2 mentions
- Agent Registry 2 mentions
- AIBOM 2 mentions
- Incident Pipeline 2 mentions
- Shadow-AI Discovery 2 mentions
- Decision Notice & Contest Path 2 mentions
- Deactivation, Localisation & Retirement Runbook 2 mentions
Related terms
Sources
No external source: the term is coined or used in a specific sense by this Body of Knowledge, and the section linked under "Developed in" is its source.
Definitions of legal terms paraphrase the cited text, which governs. Dated statements are as of .