concept drift
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English
Etymology
Concept refers to the hidden relationship between the inputs and outputs of the model.
Noun
concept drift (countable and uncountable, plural concept drifts)
- (statistics, machine learning) The tendency of a statistical model to become less and less accurate over time in real-world conditions.
- 2020, Zhiwen Yu et al., editors, Green, Pervasive, and Cloud Computing , Springer Nature, →ISBN, page 115:
- 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.