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Partition-based Operator Sharing Scheme for Spatio-temporal Data Stream Processing

시공간 데이터 스트림 처리를 위한 영역 기반의 연산자 공유 기법

  • Chung, Weon-Il (Dept. of Information Security Engineering, Hoseo University) ;
  • Kim, Young-Ki (Dept. of Computer and Information Engineering, Inha University)
  • 정원일 (호서대학교 정보보호학과) ;
  • 김영기 (인하대학교 컴퓨터정보공학과)
  • Received : 2010.10.22
  • Accepted : 2010.12.17
  • Published : 2010.12.31

Abstract

In ubiquitous environments, many continuous query processing techniques make use of operator network and sharing methods on continuous data stream generated from various sensors. Since similar continuous queries with the location information intensively occur in specific regions, we suggest a new operator sharing method based on grid partition for the spatial continuous query processing for location-based applications. Due to the proposed method shares moving objects by the given grid cell without sharing spatial operators individually, our approach can not only share spatial operators including similar conditions, but also increase the query processing performance and the utilization of memory by reducing the frequency of use of spatial operators.

Keywords

Spatio-temporal Data Stream;Operator Sharing;Continuous Query

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