concept drift

noun

The tendency of a statistical model to become less and less accurate over time in real-world conditions.

Meanings

nounconcept drift (countable and uncountable, plural concept drifts)

plural concept drifts

  1. countableuncountablemachine learningmathematicsThe tendency of a statistical model to become less and less accurate over time in real-world conditions.

    Regarding collection usage, frecency metrics are employed, combining frequency and recency, to effectively capture concept drift and temporal trends.

    2010, Mounia Lalmas et al., editors, Research and Advanced Technology for Digital Libraries […] , Springer, →ISBN, page 544
    1 more example

    Concept drift is an important issue to be considered in data stream mining. In a real environment, the data distribution is constantly changing, and the model needs to be continuously updated to adapt to the new environment.

    2020, Zhiwen Yu et al., editors, Green, Pervasive, and Cloud Computing […] , Springer Nature, →ISBN, page 115

Origin

Concept refers to the hidden relationship between the inputs and outputs of the model.

Full word history & related roots →
Cite this entry
APA

concept drift. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/concept%20drift

MLA

“concept drift.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/concept%20drift. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “concept drift,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/concept%20drift.

Source: concept drift on Wiktionary, CC BY-SA 4.0.