1482 search results - page 147 / 297 » Mobile and embedded databases |
114
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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...
159
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
Freshness and accuracy are two key measures of quality of service (QoS) in location-based, mobile continual queries (CQs). However, it is often difficult to provide both fresh and ...
163
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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...
119
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DEXAW
2007
IEEE
15 years 1 months ago
2007
IEEE
A number of factors, such as the increasing popularity of wireless networks, the opportunities offered by 3G services, and the rapid proliferation of mobile devices, have stimulat...
GIS
2009
ACM
15 years 4 months ago
2009
ACM
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...