KNN Classifier with Self Adjusting Memory for Heterogeneous Concept Drift

Losing V, Hammer B, Wersing H (2016)
In: 2016 IEEE 16th International Conference on Data Mining (ICDM). IEEE: 291-300.

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Abstract
Data Mining in non-stationary data streams is gaining more attention recently, especially in the context of Internet of Things and Big Data. It is a highly challenging task, since the fundamentally different types of possibly occurring drift undermine classical assumptions such as data independence or stationary distributions. Available algorithms are either struggling with certain forms of drift or require a priori knowledge in terms of a task specific setting. We propose the Self Adjusting Memory (SAM) model for the k Nearest Neighbor (kNN) algorithm since kNN constitutes a proven classifier within the streaming setting. SAM-kNN can deal with heterogeneous concept drift, i.e different drift types and rates, using biologically inspired memory models and their coordination. It can be easily applied in practice since an optimization of the meta parameters is not necessary. The basic idea is to construct dedicated models for the current and former concepts and apply them according to the demands of the given situation. An extensive evaluation on various benchmarks, consisting of artificial streams with known drift characteristics as well as real world datasets is conducted. Thereby, we explicitly add new benchmarks enabling a precise performance evaluation on multiple types of drift. The highly competitive results throughout all experiments underline the robustness of SAM-kNN as well as its capability to handle heterogeneous concept drift.
Publishing Year
Conference
International Conference On Data Mining
Location
Barcelona
Conference Date
2016-12-12 – 2016-12-15
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Losing V, Hammer B, Wersing H. KNN Classifier with Self Adjusting Memory for Heterogeneous Concept Drift. In: 2016 IEEE 16th International Conference on Data Mining (ICDM). IEEE; 2016: 291-300.
Losing, V., Hammer, B., & Wersing, H. (2016). KNN Classifier with Self Adjusting Memory for Heterogeneous Concept Drift. 2016 IEEE 16th International Conference on Data Mining (ICDM), 291-300. IEEE. doi:10.1109/ICDM.2016.0040
Losing, V., Hammer, B., and Wersing, H. (2016). “KNN Classifier with Self Adjusting Memory for Heterogeneous Concept Drift” in 2016 IEEE 16th International Conference on Data Mining (ICDM) (IEEE), 291-300.
Losing, V., Hammer, B., & Wersing, H., 2016. KNN Classifier with Self Adjusting Memory for Heterogeneous Concept Drift. In 2016 IEEE 16th International Conference on Data Mining (ICDM). IEEE, pp. 291-300.
V. Losing, B. Hammer, and H. Wersing, “KNN Classifier with Self Adjusting Memory for Heterogeneous Concept Drift”, 2016 IEEE 16th International Conference on Data Mining (ICDM), IEEE, 2016, pp.291-300.
Losing, V., Hammer, B., Wersing, H.: KNN Classifier with Self Adjusting Memory for Heterogeneous Concept Drift. 2016 IEEE 16th International Conference on Data Mining (ICDM). p. 291-300. IEEE (2016).
Losing, Viktor, Hammer, Barbara, and Wersing, Heiko. “KNN Classifier with Self Adjusting Memory for Heterogeneous Concept Drift”. 2016 IEEE 16th International Conference on Data Mining (ICDM). IEEE, 2016. 291-300.
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