39 search results - page 7 / 8 » Efficient Algorithm for determining the Optimal Execution St... |
EDBT
2010
ACM
14 years 18 days ago
2010
ACM
Implementations of map-reduce are being used to perform many operations on very large data. We examine strategies for joining several relations in the map-reduce environment. Our ...
PODS
2008
ACM
14 years 5 months ago
2008
ACM
We consider a fundamental flow maximization problem that arises during the evaluation of multiple overlapping queries defined on a data stream, in a heterogenous parallel environm...
INFOCOM
2003
IEEE
13 years 11 months ago
2003
IEEE
— The effectiveness of cluster-based distributed sensor networks depends to a large extent on the coverage provided by the sensor deployment. We propose a virtual force algorithm...
SIGMOD
2007
ACM
14 years 6 months ago
2007
ACM
Commercial enterprise data warehouses are typically implemented on parallel databases due to the inherent scalability and performance limitation of a serial architecture. Queries ...
AROBOTS
2005
13 years 5 months ago
2005
In field environments it is not usually possible to provide robots in advance with valid geometric models of its environment and task element locations. The robot or robot teams ne...