444 search results - page 77 / 89 » Instance optimal query processing in spatial networks |
WSNA
2003
ACM
14 years 1 months ago
2003
ACM
—In a sensor network, data routing is tightly coupled to the needs of a sensing task, and hence the application semantics. This paper introduces the novel idea of information-dir...
GIS
2004
ACM
14 years 9 months ago
2004
ACM
The advances in wireless communication and decreasing costs of mobile devices have enabled users to access desired information at any time. Coupled with positioning technologies l...
AI
2011
Springer
13 years 3 months ago
2011
Springer
In this paper we propose a novel approach to decentralised coordination, that is able to efficiently compute solutions with a guaranteed approximation ratio. Our approach is base...
MOBIDE
2009
ACM
14 years 2 months ago
2009
ACM
The explosive growth of location-detection devices, wireless communications, and mobile databases has resulted in the realization of location-based services as commercial products...
VLDB
2008
ACM
14 years 8 months ago
2008
ACM
With the development of inexpensive storage devices, space usage is no longer a bottleneck for computer users. However, the increasingly large amount of personal information poses ...