Continuous Monitoring of Distance-Based Range Queries

  title={Continuous Monitoring of Distance-Based Range Queries},
  author={Muhammad Aamir Cheema and Ljiljana Brankovic and Xuemin Lin and Wenjie Zhang and Wei Wang},
  journal={IEEE Transactions on Knowledge and Data Engineering},
Given a positive value r, a distance-based range query returns the objects that lie within the distance r of the query location. In this paper, we focus on the distance-based range queries that continuously change their locations in a euclidean space. We present an efficient and effective monitoring technique based on the concept of a safe zone. The safe zone of a query is the area with a property that while the query remains inside it, the results of the query remain unchanged. Hence, the… CONTINUE READING
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