4 Conclusion
Aiming at reconstruction characteristics of the restricted Boltzmann machine, this paper
proposes a window adaptive adjustment method based on KL distance. The KL distance algorithm is used to compare the difference of probability distribution between
input data and reconstructed data, and then to judge whether there is concept drift
between adjacent data blocks and realize adaptive adjustment of sliding window.
However, this paper only judges the data of a single source, and on this basis, the next
step should be to study the adaptive partitioning of multi-source heterogeneous data.
Acknowledgements. This paper is supported by Natural Youth Science Foundation of China
(61501326), the National Natural Science Foundation of China (61731006).
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Fig. 4. KL distance measured by experiments
Data Stream Adaptive Partitioning of Sliding …
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