LLexicon Workbenchv2.1

Nounverified MWEverified

Data Drift

nounverified·updated May 18, 2026

GlossaryL1 — what DictionaryL2 — how used ThesaurusL3 — relations Universaleverything

The change in model input data that leads to model performance degradation.

MWE

Classifications

per-axis with provenance

Entity Type

Event72%llm-generatedllm:claude-haiku-4-5

?unassignedlast reviewed —

Sensitivity

—50%llm-generatedllm:claude-haiku-4-5

?unassignedlast reviewed —

Information Class

unclassified

Variants

3 surface forms

plural: Data Drifts
possessive: Data Drift's
pluralpossessive: Data Drifts'

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