CURIE: a cellular automaton for concept drift detection
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2021
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Springer
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Abstract
Data stream mining extracts information from large quantities of data flowing fast and continuously (data streams). They are usually affected by changes in the data distribution, giving rise to a phenomenon referred to as concept drift. Thus, learning models must detect and adapt to such changes, so as to exhibit a good predictive performance after a drift has occurred. In this regard, the development of effective drift detection algorithms becomes a key factor in data stream mining. In this work we propose CURIECURIE, a drift detector relying on cellular automata. Specifically, in CURIECURIE the distribution of the data stream is represented in the grid of a cellular automata, whose neighborhood rule can then be utilized to detect possible distribution changes over the stream. Computer simulations are presented and discussed to show that CURIECURIE, when hybridized with other base learners, renders a competitive behavior in terms of detection metrics and classification accuracy. CURIECURIE is compared with well-established drift detectors over synthetic datasets with varying drift characteristics.
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Lobo, Jesus L., Javier Del Ser, Eneko Osaba, Albert Bifet, and Francisco Herrera. “CURIE: a Cellular Automaton for Concept Drift Detection.” Data Mining and Knowledge Discovery 35, no. 6 (September 4, 2021): 2655–2678. doi:10.1007/s10618-021-00776-2.