An Improved Apriori Algorithm with Prejudging and Screening

  • Xuejian ZhaoEmail author
  • Dongjun Li
  • Yuan Yuan
  • Zhixin Sun
  • Yong Chen
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 553)


Association rule analysis, as one of the significant means of data mining, plays an important role in discovering the implicit knowledge in massive transaction data. Aiming at the inherent defects of the classic Apriori algorithm, this paper proposes IAPS (Improved Apriori with Prejudging and Screening) algorithm. IAPS algorithm adds a prejudging and screening procedure on the basis of the self-join and pruning progress in Apriori algorithm which can reduce and optimize the k-frequent item sets using prior probability. IAPS algorithm simplifies the operation process of mining frequent item sets. Experimental results show that the improved algorithm can effectively reduce the number of scanning databases and reduce the running time of the algorithm.


Association rules Transaction database Prejudging and screening Apriori 



 Project supported by the National Natural Science Foundation of China under Grant nos. 61373135, 61300240, 61401225, 61502252; the Natural Science Foundation of Jiangsu Province of China under Grant nos. BK20140883, BK20140894, BK20131377; China Postdoctoral Science Foundation funded project under Grant no. 2015M581844; Jiangsu Planned Projects for Postdoctoral Research Funds under Grant no. 1501125B; NUPTSF under Grant no. NY214101, NY215147.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2017

Authors and Affiliations

  • Xuejian Zhao
    • 1
    • 2
    Email author
  • Dongjun Li
    • 1
  • Yuan Yuan
    • 2
  • Zhixin Sun
    • 1
  • Yong Chen
    • 3
  1. 1.Key Lab of Broadband Wireless Communication and Sensor Network Technology of Ministry of EducationNanjing University of Posts and TelecommunicationsNanjingChina
  2. 2.Jiangsu Posts & Telecommunications Planning and Designing Institute Co. LTDNanjingChina
  3. 3.Nanjing Longyuan Microelectronic Co. LTDNanjingChina

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