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» Online scheduling with a buffer on related machines
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IANDC
2008
80views more  IANDC 2008»
13 years 5 months ago
Preemptive scheduling on a small number of hierarchical machines
We consider preemptive offline and online scheduling on identical machines and uniformly related machines in the hierarchical model, with the goal of minimizing the makespan. In t...
György Dósa, Leah Epstein
JCO
2006
83views more  JCO 2006»
13 years 5 months ago
Separating online scheduling algorithms with the relative worst order ratio
The relative worst order ratio is a measure for the quality of online algorithms. Unlike the competitive ratio, it compares algorithms directly without involving an optimal offline...
Leah Epstein, Lene M. Favrholdt, Jens S. Kohrt
ESA
2006
Springer
82views Algorithms» more  ESA 2006»
13 years 9 months ago
Preemptive Online Scheduling: Optimal Algorithms for All Speeds
Our main result is an optimal online algorithm for preemptive scheduling on uniformly related machines with the objective to minimize makespan. The algorithm is deterministic, yet...
Tomás Ebenlendr, Wojciech Jawor, Jiri Sgall
ACTA
1998
111views more  ACTA 1998»
13 years 5 months ago
Machine Scheduling with Availability Constraints
We will give a survey on results related to scheduling problems where machines are not continuously available for processing. We will deal with single and multi machine problems an...
Eric Sanlaville, Günter Schmidt
SWAT
2004
Springer
129views Algorithms» more  SWAT 2004»
13 years 10 months ago
Online Scheduling of Splittable Tasks in Peer-to-Peer Networks
We consider online scheduling of splittable tasks on parallel machines. In our model, each task can be split into a limited number of parts, that can then be scheduled independentl...
Leah Epstein, Rob van Stee