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A Knowledge Based Approach for Tackling Mislabeled Multi-class Big Social Data

  • Minyi Guo
  • Yi Liu
  • Jie Li
  • Huakang Li
  • Bei Xu
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8465)

Abstract

The performance of classification models extremely relies on the quality of training data. However, label imperfection is an inherent fault of training data, which is impossible manually handled in big data environment. Various methods have been proposed to remove label noises in order to improve classification quality, with the side effect of cutting down data bulk. In this paper, we propose a knowledge based approach for tackling mislabeled multi-class big data, in which knowledge graph technique is combined with other data correction method to perceive and correct the error labels in big data. The knowledge graph is built with the medical concepts extracted from online health consulting and medical guidance. Experimental results show our knowledge graph based approach can effectively improve data quality and classification accuracy. Furthermore, this approach can be applied in other data mining tasks requiring deep understanding.

Keywords

#eswc2014Guo label imperfection knowledge graph label correction classification 

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Minyi Guo
    • 1
  • Yi Liu
    • 1
  • Jie Li
    • 1
  • Huakang Li
    • 2
  • Bei Xu
    • 2
  1. 1.Department of Computer Science and EngineeringShanghai Jiao Tong UniversityChina
  2. 2.School of Computer Science & School of SoftwareNanjing University of Posts and TelecommunicationsChina

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