67 search results - page 4 / 14 » Computing Join Aggregates over Private Tables |
MUE
2007
IEEE
14 years 2 days ago
2007
IEEE
With the developments of related techniques in telecommunication and computer sciences, wireless sensor networks have been used more and more widely. While sensor nodes in wireles...
DAWAK
2010
Springer
13 years 6 months ago
2010
Springer
Spatial data warehouses (SDW) enable analytical multidimensional queries together with spatial analysis. Mainly, three operations are related to SDW query processing performance: (...
BROADNETS
2004
IEEE
13 years 9 months ago
2004
IEEE
Multi-homed, mobile wireless computing and communication devices can spontaneously form communities to logically combine and share the bandwidth of each other's wide-area com...
PVLDB
2010
13 years 4 months ago
2010
We consider the problem of efficiently finding the top-k answers for join queries over web-accessible databases. Classical algorithms for finding top-k answers use branch-and-b...
VLDB
2004
ACM
13 years 11 months ago
2004
ACM
We address the problem of computing approximate answers to continuous sliding-window joins over data streams when the available memory may be insufficient to keep the entire join...