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Reverse Top-k Query on Uncertain Preference

  • Guohui Li
  • Qi Chen
  • Bolong Zheng
  • Xiaosong ZhaoEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10988)

Abstract

As a reverse rank-aware query, reverse top-k query returns the user preferences which make the given object belong to the top-k result set. This paper studies the reverse top-k query on uncertain preferences for the first time. A user’s uncertain preference consists of several probable preference instances, which reflects the user’s potential consumption tendency. In this paper, we design an optimization algorithm BBUPR based on the proposed RUI-tree index. Our experiment results show that BBUPR outperforms the other algorithms.

Keywords

Uncertain preference Reverse top-k query RUI-tree 

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Guohui Li
    • 1
  • Qi Chen
    • 2
  • Bolong Zheng
    • 2
    • 3
  • Xiaosong Zhao
    • 2
    Email author
  1. 1.School of Software EngineeringHuazhong University of Science and TechnologyWuhanChina
  2. 2.School of Computer Science and TechnologyHuazhong University of Science and TechnologyWuhanChina
  3. 3.Department of Computer ScienceAalborg UniversityAalborgDenmark

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