889 search results - page 157 / 178 » A Method for Secure Query Processing in Mobile Databases |
100
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SISAP
2008
IEEE
15 years 4 months ago
2008
IEEE
There are several pieces of information that can be utilized in order to improve the efficiency of similarity searches on high-dimensional data. The most commonly used information...
MM
2000
ACM
15 years 2 months ago
2000
ACM
Query by key frame or video example is a convenient and often effective way to search in video database. This paper proposes a new approach to support such searches. The main cont...
DBA
2004
14 years 11 months ago
2004
In order to guarantee efficient query processing together with industrial strength, spatial index structures have to be integrated into fully-fledged object-relational database ma...
EDBT
2000
ACM
15 years 1 months ago
2000
ACM
In high-dimensional query processing, the optimization of the logical page-size of index structures is an important research issue. Even very simple query processing techniques suc...
150
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SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
Sketching techniques can provide approximate answers to aggregate queries either for data-streaming or distributed computation. Small space summaries that have linearity propertie...