Efficient dissemination of filtered data in XML-Based SDI

  • Authors:

  • Jae-Ho Choi;Young-Jin Yoon;SangKeun Lee

  • Affiliations:

  • Department of Computer Science and Engineering, Korea University, Seoul, South Korea;Department of Computer Science and Engineering, Korea University, Seoul, South Korea;Department of Computer Science and Engineering, Korea University, Seoul, South Korea

  • Venue:
  • DEXA'05 Proceedings of the 16th international conference on Database and Expert Systems Applications
  • Year:
  • 2005

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Abstract

With the increasing popularity of XML, there is a growing number of reports on the XML-based Selective Dissemination of Information (SDI) in the literature, in which many XML filtering systems have been proposed to support the efficient XML-based SDI. While previous research into XML filtering focused on efficient filtering algorithms, in this paper, we consider a novel XML dissemination problem, focusing on the efficient dissemination of filtered data. To this end, we describe a significant problem associated with the dissemination of XML documents and propose effective algorithms which allow for its resolution. Based on these effective algorithms, we developed an XML-based SDI system that can disseminate XML documents efficiently. The experimental results demonstrate that the proposed algorithms outperform earlier XML filtering systems in terms of the usage of network bandwidth.