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A Multi-dimensional Query Processing Scheme for Stream Data using Range Query Indexing

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2009, 14(2), pp.69-77
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science

Dong-Un Lee 1 Yunseok Rhee 1

1한국외국어대학교

Accredited

ABSTRACT

Stream service environment demands real-time query processing for voluminous data which are ceaselessly delivered from tremendous sources. Typical R-tree based query processing technologies cannot efficiently handle such situations, whichㅁㅁ require repetitive and inefficient exploration from the tree root on every data event. However, many stream data including sensor readings show high locality, which we exploit to reduce the search space of queries to explore. In this paper, we propose a query processing scheme exploiting the locality of stream data. From the simulation, we conclude that the proposed scheme performs much better than the traditional ones in terms of scalability and exploration efficiency.

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