147 search results - page 1 / 30 » Performance Evaluation of Overlay-Based Range Queries in Mob... |
EURONGI
2008
Springer
13 years 6 months ago
2008
Springer
Current mobility management systems are operator centralized, and focused on single link technologies. In heterogeneous wireless mesh networks, vertical handovers could be a length...
SSD
2009
Springer
13 years 11 months ago
2009
Springer
The range nearest-neighbor (NN) query is an important query type in location-based services, as it can be applied to the case that an NN query has a spatial region, instead of a lo...
IJOCI
2010
13 years 2 months ago
2010
We present a time-efficient approach to index objects moving on the plane to efficiently answer range queries about their future positions. Each object is moving with non small ve...
DEXA
2006
Springer
13 years 8 months ago
2006
Springer
Recent work on continuous queries has focused on processing queries in very large, mobile environments. In this paper, we propose a system leveraging the computing capacities of mo...
DEXA
2007
Springer
13 years 8 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...