6846 search results - page 1268 / 1370 » Querying a summary of database |
171
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GIS
2009
ACM
15 years 11 months ago
2009
ACM
Apart from visualization tasks, three-dimensional (3D) data management features are not or only hardly available in current spatial database systems and Geographic Information Sys...
222
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WILF
2009
Springer
15 years 11 months ago
2009
Springer
In this paper, an interactive image retrieval scheme using MPEG-7 visual descriptors is proposed. The performance of image retrieval systems is still limited due to semantic gap, w...
192
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IJCNN
2000
IEEE
15 years 11 months ago
2000
IEEE
The main aim of this paper is to develop a suitable regression analysis model for describing the relationship between the index efficiency and the parameters of the Rival Penaliz...
194
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INFOCOM
1999
IEEE
15 years 11 months ago
1999
IEEE
The Mobile IP (MIP) protocol for IP version 4 provides continuous Internet connectivity to mobile hosts. However, currently it has some drawbacks in the areas of survivability, per...
189
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SIGMOD
1996
ACM
15 years 11 months ago
1996
ACM
We investigate the problem of incremental maintenance of an SQL view in the face of database updates, and show that it is possible to reduce the total time cost of view maintenanc...