889 search results - page 28 / 178 » A Method for Secure Query Processing in Mobile Databases |
166
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
We introduce a convoy query that retrieves all convoys from historical trajectories, each of which consists of a set of objects that travelled closely during a certain time period....
IIWAS
2007
14 years 11 months ago
2007
By using database security metrics to evaluate how risky the current database environment is and visually displaying the metric results on graphs, database security visualization ...
DBPL
2009
Springer
15 years 4 months ago
2009
Springer
In this paper, we revisit the view based security framework for XML without imposing any of the previously considered restrictions on the class of queries, the class of DTDs, and t...
ADBIS
2000
Springer
15 years 1 months ago
2000
Springer
A number of algorithms of clustering spatial data for reducing the number of disk seeks required to process spatial queries have been developed. One of the algorithms is the scheme...
114
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ICDE
1991
IEEE
15 years 1 months ago
1991
IEEE
— Constraints play an important role in the efficient query evaluation in deductive databases. In this paper, constraint-based query evaluation in deductive databases is investi...