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An Efficient G-XML Data Management Method using XML Spatial Index for Mobile Devices

  • Tamada, Takashi
  • ;
  • Momma, Kei
  • ;
  • Seo, Kazuo
  • ;
  • Hijikata, Yoshinori
  • ;
  • Nishida, Shogo

Abstract

This paper presents an efficient G-XML data management method for mobile devices. G-XML is XML based encoding for the transport of geographic information. Mobile devices, such as PDA and mobile-phone, performance trail desktop machines, so some techniques are needed for processing G-XML data on mobile devices.

In this method, XML-format spatial index file is used to improve an initial display time of G-XML data. This index file contains XML pointer of each feature in G-XML data and classifies these features by multi-dimensional data structures. From the experimental result, we can prove this method speed up about 3-7 times an initial display time of G-XML data on mobile devices.

Publication: IEEJ Transactions on Electronics, Information and Systems Pub Date: 2003 DOI:

10.1541/ieejeiss.123.19

Bibcode: 2003ITEIS.123...19T Keywords:
  • G-XML;
  • geographical information system;
  • mobile devices;
  • spatial index
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