889 search results - page 43 / 178 » A Method for Secure Query Processing in Mobile Databases |
SSD
2001
Springer
15 years 2 months ago
2001
Springer
Abstract. This paper addresses the problem of finding k nearest neighbors for moving query point (we call it k-NNMP). It is an important issue in both mobile computing research an...
86
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JSS
2006
14 years 9 months ago
2006
Tracking of mobile objects trajectories is one of many modern applications supported by Spatiotemporal databases. Within the context of this application, queries about the present...
KDD
1997
ACM
15 years 1 months ago
1997
ACM
An approach to defining actionability as a measure of interestingness of patterns is proposed. This approach is based on the concept of an action hierarchy which is defined as a t...
112
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DEXA
2007
Springer
15 years 1 months ago
2007
Springer
The two dominant costs in continuous spatial query systems are the wireless communication cost for location update, and the evaluation cost for query processing. Existing works add...
ADC
2005
Springer
15 years 3 months ago
2005
Springer
Although data stored in XML is of increasing importance, most existing data repositories are still managed by relational database systems. In light of this, recent XML database re...