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DISSparse: Efficient Mining of Discriminative Itemsets

Author

Listed:
  • Majid Seyfi

    (Data Science Discipline, Science and Engineering faculty, Queensland University of Technology, Brisbane, Queensland 4000, Australia)

  • Richi Nayak

    (Data Science Discipline, Science and Engineering faculty, Queensland University of Technology, Brisbane, Queensland 4000, Australia)

  • Yue Xu

    (Data Science Discipline, Science and Engineering faculty, Queensland University of Technology, Brisbane, Queensland 4000, Australia)

  • Shlomo Geva

    (Data Science Discipline, Science and Engineering faculty, Queensland University of Technology, Brisbane, Queensland 4000, Australia)

Abstract

We tackle the problem of discriminative itemset mining. Given a set of datasets, we want to find the itemsets that are frequent in the target dataset and have much higher frequencies compared with the same itemsets in other datasets. Such itemsets are very useful for dataset discrimination. We demonstrate that this problem has important applications and, at a same time, is very challenging. We present the DISSparse algorithm, a mining method that uses two determinative heuristics based on the sparsity characteristics of the discriminative itemsets as a small subset of the frequent itemsets. We prove that the DISSparse algorithm is sound and complete. We experimentally investigate the performance of the proposed DISSparse on a range of datasets, evaluating its efficiency and stability and demonstrating it is substantially faster than the baseline method.

Suggested Citation

  • Majid Seyfi & Richi Nayak & Yue Xu & Shlomo Geva, 2022. "DISSparse: Efficient Mining of Discriminative Itemsets," Journal of Information & Knowledge Management (JIKM), World Scientific Publishing Co. Pte. Ltd., vol. 21(01), pages 1-42, March.
    • Handle: RePEc:wsi:jikmxx:v:21:y:2022:i:01:n:s0219649222500095
    DOI: 10.1142/S0219649222500095
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