889 search results - page 37 / 178 » A Method for Secure Query Processing in Mobile Databases |
108
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ICPADS
1997
IEEE
15 years 1 months ago
1997
IEEE
Mobile agents are no longer a theoretical issue since different architectures for their realization have been proposed. With the increasing market of electronic commerce it become...
ICIP
2007
IEEE
15 years 4 months ago
2007
IEEE
Retrieval in a multimedia database usually involves combining information from different modalities of data, such as text and images. However, all modalities of the data may not b...
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
The emergence of location-aware services calls for new real-time spatio-temporal query processing algorithms that deal with large numbers of mobile objects and queries. In this de...
DEXA
2008
Springer
14 years 11 months ago
2008
Springer
The query performance for tracing tags depends upon the distribution of tag trajectories in the data space. We examine a more efficient representation of tag trajectories by means ...
162
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
Position updates and query re-evaluations are two predominant, costly components of processing location-based, continual queries (CQs) in mobile systems. To obtain high-quality qu...