Concept Drift Detection for Evolving Stream Data

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In processing stream data, time is one of the most significant facts not only because the size of data is dramatically increased but because the characteristics of data is varying over time. To learn stream data evolving over time effectively, it is required to detect the drift of concept. We present a window adaptation function on domain value (WAV) to determine the size of windowed batch for learning algorithms of stream data and a method to detect the change of data characteristics with a criterion function utilizing correlation. When applying our adaptation function to a clustering task on a multi-stream data model, the result of learning synopsis of windowed batch determined by it shows its effectiveness. Our criterion function with correlation information of value distribution over time can be the reasonable threshold to detect the change between windowed batches.
Publisher
IEICE-Inst Electronics Information Communications Eng
Issue Date
2011-11
Language
English
Article Type
Article
Citation

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, v.E94D, no.11, pp.2288 - 2292

ISSN
0916-8532
URI
http://hdl.handle.net/10203/95660
Appears in Collection
CS-Journal Papers(저널논문)
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