Efficient Mining of Uncertain Data for High-Utility Itemsets

  • Jerry Chun-Wei Lin
  • Wensheng Gan
  • Philippe Fournier-Viger
  • Tzung-Pei Hong
  • Vincent S. Tseng
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9658)

Abstract

High-utility itemset mining (HUIM) is emerging as an important research topic in data mining. Most algorithms for HUIM can only handle precise data, however, uncertainty that are embedded in big data which collected from experimental measurements or noisy sensors in real-life applications. In this paper, an efficient algorithm, namely Mining Uncertain data for High-Utility Itemsets (MUHUI), is proposed to efficiently discover potential high-utility itemsets (PHUIs) from uncertain data. Based on the probability-utility-list (PU-list) structure, the MUHUI algorithm directly mine PHUIs without candidate generation and can reduce the construction of PU-lists for numerous unpromising itemsets by using several efficient pruning strategies, thus greatly improving the mining performance. Extensive experiments both on real-life and synthetic datasets proved that the proposed algorithm significantly outperforms the state-of-the-art PHUI-List algorithm in terms of efficiency and scalability, especially, the MUHUI algorithm scales well on large-scale uncertain datasets for mining PHUIs.

Keywords

Data mining Uncertainty High-utility itemset PU-list Pruning strategies 

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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  • Jerry Chun-Wei Lin
    • 1
  • Wensheng Gan
    • 1
  • Philippe Fournier-Viger
    • 2
  • Tzung-Pei Hong
    • 3
    • 4
  • Vincent S. Tseng
    • 5
  1. 1.School of Computer Science and TechnologyHarbin Institute of Technology Shenzhen Graduate SchoolShenzhenChina
  2. 2.School of Natural Sciences and HumanitiesHarbin Institute of Technology Shenzhen Graduate SchoolShenzhenChina
  3. 3.Department of Computer Science and Information EngineeringNational University of KaohsiungKaohsiungTaiwan
  4. 4.Department of Computer Science and EngineeringNational Sun Yat-sen UniversityKaohsiungTaiwan
  5. 5.Department of Computer ScienceNational Chiao Tung UniversityHsinchuTaiwan

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