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λ-Perceptron: An adaptive classifier for data streams
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DOI：10.1016/j.patcog.2010.07.026.png)
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摘要
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Streaming data introduce challenges mainly due to changing data distributions (population drift). To accommodate population drift we develop a novel linear adaptive online classification method motivated by ideas from adaptive filtering. Our approach allows the impact of past data on parameter estimates to be gradually removed, a process termed forgetting, yielding completely online adaptive algorithms. Extensive experimental results show that this approach adjusts the forgetting mechanism to maintain performance. Moreover, it might be possible to exploit the information in the evolution of the forgetting mechanism to obtain information about the type and speed of the underlying population drift process. (C) 2010 Elsevier Ltd. All rights reserved.
Keyword:
Streaming data
Classification
Population drift
Online learning
Forgetting
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IF:
7.6
论文数:
1.3W
被引数:
4.5W
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