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SIGMETRICS
2005
ACM
120views Hardware» more  SIGMETRICS 2005»
15 years 5 months ago
Managing server energy and operational costs in hosting centers
The growing cost of tuning and managing computer systems is leading to out-sourcing of commercial services to hosting centers. These centers provision thousands of dense servers w...
Yiyu Chen, Amitayu Das, Wubi Qin, Anand Sivasubram...
BTW
2005
Springer
113views Database» more  BTW 2005»
15 years 5 months ago
A Learning Optimizer for a Federated Database Management System
: 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...
Stephan Ewen, Michael Ortega-Binderberger, Volker ...
GECCO
2005
Springer
102views Optimization» more  GECCO 2005»
15 years 5 months ago
Latent variable crossover for k-tablet structures and its application to lens design problems
This paper presents the Real-coded Genetic Algorithms for high-dimensional ill-scaled structures, what is called, the ktablet structure. The k-tablet structure is the landscape th...
Jun Sakuma, Shigenobu Kobayashi
SENSYS
2004
ACM
15 years 5 months ago
Versatile low power media access for wireless sensor networks
We propose B-MAC, a carrier sense media access protocol for wireless sensor networks that provides a flexible interface to obtain ultra low power operation, effective collision a...
Joseph Polastre, Jason L. Hill, David E. Culler
SENSYS
2004
ACM
15 years 5 months ago
Mitigating congestion in wireless sensor networks
Network congestion occurs when offered traffic load exceeds available capacity at any point in a network. In wireless sensor networks, congestion causes overall channel quality t...
Bret Hull, Kyle Jamieson, Hari Balakrishnan