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      Concept Drift Detection for High-Dimensional Big Data

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      Lavaire201510_T_Concept.pdf (609.5Kb)
      Date
      2016-02-24
      Author
      Lavaire, Jorge D. Destephen
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      Abstract
      Learning algorithms are commonly used in predictive analytics of Big Data. These algorithms assume that the distribution of the underlying data is static over time. However, this assumption may not hold for Big Data-data with high volume, velocity, and variety. Concept drift detection algorithms can be used to detect such change in distribution. There have been no studies yet on dimensional scalability of concept drift detection algorithms. This thesis presents the results of a performance study of dimensional scalability of commonly used supervised and unsupervised concept drift detection algorithms. The results indicate that Friedman and Rafsky’s algorithm-an unsupervised algorithm-was unable to scale to 100,000 dimensions. This thesis presents a map reduce version of Friedman and Rafsky’s algorithm that scales to arbitrary dimensions on a cluster
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      http://centralspace.ucmo.edu/handle/123456789/449
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