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SIGOPS
2010
85views more  SIGOPS 2010»
14 years 10 months ago
An energy case for hybrid datacenters
Reducing energy consumption in datacenters is key to building low cost datacenters. To address this challenge, we explore the potential of hybrid datacenter designs that mix low p...
Byung-Gon Chun, Gianluca Iannaccone, Giuseppe Iann...
DATE
2010
IEEE
131views Hardware» more  DATE 2010»
15 years 5 months ago
GentleCool: Cooling aware proactive workload scheduling in multi-machine systems
—In state of the art systems, workload scheduling and server fan speed operate independently leading to cooling inefficiencies. In this work we propose GentleCool, a proactive m...
Raid Ayoub, Shervin Sharifi, Tajana Simunic Rosing
WEA
2010
Springer
241views Algorithms» more  WEA 2010»
15 years 6 months ago
A Branch-and-Price Algorithm for Multi-mode Resource Leveling
Resource leveling is a variant of resource-constrained project scheduling in which a non-regular objective function, the resource availability cost, is to be minimized. We present ...
Eamonn T. Coughlan, Marco E. Lübbecke, Jens S...
ICDE
2010
IEEE
201views Database» more  ICDE 2010»
15 years 1 days ago
Vertical partitioning of relational OLTP databases using integer programming
A way to optimize performance of relational row store databases is to reduce the row widths by vertically partitioning tables into table fractions in order to minimize the number ...
Rasmus Resen Amossen
ICPR
2010
IEEE
15 years 22 hour ago
The Problem of Fragile Feature Subset Preference in Feature Selection Methods and a Proposal of Algorithmic Workaround
Abstract—We point out a problem inherent in the optimization scheme of many popular feature selection methods. It follows from the implicit assumption that higher feature selecti...
Petr Somol, Jiri Grim, Pavel Pudil