6800 search results - page 49 / 1360 » On optimizing collective communication |
SIGMOD
2007
ACM
14 years 10 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 ...
BTW
2005
Springer
14 years 3 months ago
2005
Springer
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
SIAMCO
2008
13 years 10 months ago
2008
In a sequential Bayesian ranking and selection problem with independent normal populations and common known variance, we study a previously introduced measurement policy which we ...
IOR
2011
13 years 4 months ago
2011
We derive a knowledge gradient policy for an optimal learning problem on a graph, in which we use sequential measurements to refine Bayesian estimates of individual edge values i...
MOBICOM
2006
ACM
14 years 3 months ago
2006
ACM
We propose novel solutions for unicast routing in wireless networks consisted of selfish terminals: in order to alleviate the inevitable over-payment problem (and thus economic i...