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Coupled K-Nearest Centroid Classification for Non-iid Data

  • Mu LiEmail author
  • Jinjiu Li
  • Yuming Ou
  • Ya Zhang
  • Dan Luo
  • Maninder Bahtia
  • Longbing Cao
Chapter
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8670)

Abstract

Most traditional classification methods assume the independence and identical distribution (iid) of objects, attributes and values. However, real world data, such as multi-agent data and behavioral data, usually contains strong couplings among values, attributes and objects, which greatly challenges existing methods and tools. This work targets the coupling similarities from these three perspectives and designs a novel classification method that applies a weighted K-Nearest Centroid to obtain the coupled similarity for non-iid data. From value and attribute perspectives, coupled similarity serves as a metric for nominal objects, which consider not only intra-coupled similarity within an attribute but also inter-coupled similarity between attributes. From the object perspective, we propose a more effective method that measures the centroid object by connecting all related objects. Extensive experiments on UCI and student data sets reveal that the proposed method outperforms classical methods for higher accuracy, especially in imbalanced data.

Keywords

Support Vector Machine Classification Task Educational Data Mining Couple Similarity Couple Distance 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgment

This work is sponsored by the Australian Research Council Grants (DP1096218, DP0988016, LP100200774, LP0989721), and Australian Research Council Linkage Grant (LP100200774).

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Mu Li
    • 1
    Email author
  • Jinjiu Li
    • 1
  • Yuming Ou
    • 1
  • Ya Zhang
    • 2
  • Dan Luo
    • 1
  • Maninder Bahtia
    • 3
  • Longbing Cao
    • 1
  1. 1.Advanced Analytics InstituteUniversity of Technology SydneyUltimoAustralia
  2. 2.Institute of Image Communication and Information ProcessingShanghai Jiao Tong UniversityShanghaiChina
  3. 3.Australian Tax OfficeSydneyAustralia

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