Big Data Research ›› 2015, Vol. 1 ›› Issue (2): 66-77.doi: 10.11959/j.issn.2096-0271.2015020

• Research • Previous Articles     Next Articles

Abnormal Group Mining:Framework and Applications

Yun Xiong1,2,Yangyong Zhu1,2   

  1. 1 School of Computer Science,Fudan University,Shanghai 201203,China
    2 Shanghai Key Laboratory of Data Science,Fudan University,Shanghai 201203,China
  • Online:2015-07-20 Published:2017-03-08
  • Supported by:
    The National Natural Science Foundation of China Projects(61170096);The National Natural Science Foundation of China Projects(71331005)

Abstract:

Abnormal groups can be found in a wide range of areas.Together with clustering and outlier detection,their goals are all to partition a data set according to data similarity.However,abnormal group mining (AGM) is different in problem definition,algorithm design and applications.To the best of our knowledge,the abnormal group mining problem was investigated systematically.The differences among AGM,clustering and outlier detection were analyzed.The formalized definitions on AGM and a framework algorithm were presented,and several interesting applications were particularized.

Key words: big data, data mining, abnormal group, clustering, outlier detection, data similarity

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