Volume 32 Issue 3
Mar.  2007
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LIN Chengda, MENG Lingkui, PENG Yi. On Dynamic Replication Management of Wireless GIS Spatial Data[J]. Geomatics and Information Science of Wuhan University, 2007, 32(3): 263-265.
Citation: LIN Chengda, MENG Lingkui, PENG Yi. On Dynamic Replication Management of Wireless GIS Spatial Data[J]. Geomatics and Information Science of Wuhan University, 2007, 32(3): 263-265.
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On Dynamic Replication Management of Wireless GIS Spatial Data

  • 1 School of Remote Sensing and Information Engineering,Wuhan University,129 Luoyu Road,Wuhan 430079,China

Funds: 湖北省自然科学基金资助项目(2004ABA013);国家863计划资助项目(2005AA113150)
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  • Received Date: December 23, 2006
  • Revised Date: December 23, 2006
  • Published Date: March 04, 2007
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    • Abstract
  • The technology of GIS spatial data transfer and storage is experiencing the development from wired network to wireless network at present.Under the wireless network condition,the deficiency of low bandwidth,frequent disconnection and finite resource made the efficiency of GIS data replication low.For the high request of great capacity GIS data,mobile computing environment based the wireless GIS dynamic multi-tries replication model is introduced,and a replica management system is designed to analysis the replica transferring of wireless network which preserves the desired spatial update efficiency.
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