Design and Implementation of Object Reusing Methods for Mobile Vector Map Services 


Vol. 10,  No. 3, pp. 359-366, Jun.  2003
10.3745/KIPSTD.2003.10.3.359


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  Abstract

Although the reuse of the cached data for scrolling the map reduces the amount of passed data between client and server, it needs the conversions of data coordinates, selective deletion of objects, cache compaction and object structuring step in the clients. The conversion is a time- intensive operation due to limited resources of mobile phones such as low computing power, small memory. Therefore, in order to control the map efficiently in the vector map service based mobile phones, it is necessary to study the methods which reuse cached objects for reducing wireless network bandwidth and overwhelming the limited resources of mobile phones as well. This paper proposes the methods of reusing pre-received spatial objects for map control in the mobile vector map service system based on client-server architecture. The experiments conducted on the Web GIS systems with real data show that the proposed method is appropriate to map services for mobile phone. We also analyze the advantages and drawbacks between the reuse of cached data and transmission of raw data respectively.

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[IEEE Style]

J. D. Kim and J. O. Choi, "Design and Implementation of Object Reusing Methods for Mobile Vector Map Services," The KIPS Transactions:PartD, vol. 10, no. 3, pp. 359-366, 2003. DOI: 10.3745/KIPSTD.2003.10.3.359.

[ACM Style]

Jin Deog Kim and Jin Oh Choi. 2003. Design and Implementation of Object Reusing Methods for Mobile Vector Map Services. The KIPS Transactions:PartD, 10, 3, (2003), 359-366. DOI: 10.3745/KIPSTD.2003.10.3.359.

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