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Bulk Insertion for R-Tree by Seeded Clustering

  • Taewon Lee
  • Bongki Moon
  • Sukho Lee
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2736)

Abstract

In many scientific and commercial applications such as Earth Observation System (EOSDIS) and mobile phone services tracking a large number of clients, it is a daunting task to archive and index ever increasing volume of complex data that are continuously added to databases. To efficiently manage multidimensional data in scientific and data warehousing environments, R-tree based index structures have been widely used. In this paper, we propose a scalable technique called Seeded Clustering that allows us to maintain R-tree indexes by bulk insertion while keeping pace with high data arrival rates. Our approach uses a seed tree, which is copied from the top k levels of a target R-tree, to classify input data objects into clusters. We then build an R-tree for each of the clusters and insert the input R-trees into the target R-tree in bulk one at a time. We present detailed algorithms for the seeded clustering and bulk insertion as well as the results from our extensive experimental study. The experimental results show that the bulk insertion by seeded clustering outperforms the previously known methods in terms of insertion cost and the quality of target R-trees measured by their query performance.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2003

Authors and Affiliations

  • Taewon Lee
    • 1
  • Bongki Moon
    • 2
  • Sukho Lee
    • 1
  1. 1.School of Electrical Engineering and Computer ScienceSeoul National UniversitySeoulKorea
  2. 2.Department of Computer ScienceUniversity of ArizonaTucsonUSA

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