27 search results - page 3 / 6 » Energy Efficient Index for Querying Location-Dependent Data ... |
ICDE
2007
IEEE
14 years 6 months ago
2007
IEEE
Location-based spatial queries (LBSQs) refer to spatial queries whose answers rely on the location of the inquirer. Efficient processing of LBSQs is of critical importance with th...
VLDB
2009
ACM
14 years 5 months ago
2009
ACM
Information is valuable to users when it is available not only at the right time but also at the right place. To support efficient location-based data access in wireless data broad...
VLDB
2006
ACM
14 years 5 months ago
2006
ACM
Abstract Traditional nearest-neighbor (NN) search is based on two basic indexing approaches: object-based indexing and solution-based indexing. The former is constructed based on t...
MDM
2004
Springer
13 years 10 months ago
2004
Springer
This paper studies a heterogeneous multiple channel environment (HMCE), in which the channels are controlled by different wireless operators. To the best of our knowledge, there i...
MONET
2002
13 years 5 months ago
2002
Many cache management schemes designed for mobile environments are based on invalidation reports (IRs). However, IR-based approach suffers from long query latency and it cannot eff...