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ESA
2006
Springer
82views Algorithms» more  ESA 2006»
13 years 11 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
DFG
2009
Springer
14 years 2 months ago
A Survey on Approximation Algorithms for Scheduling with Machine Unavailability
In this chapter we present recent contributions in the field of sequential job scheduling on network machines which work in parallel; these are subject to temporary unavailability...
Florian Diedrich, Klaus Jansen, Ulrich M. Schwarz,...
JCO
1998
80views more  JCO 1998»
13 years 7 months ago
Improved Bounds on Relaxations of a Parallel Machine Scheduling Problem
We consider the problem of scheduling n jobs with release dates on m identical parallel machines to minimize the average completion time of the jobs. We prove that the ratio of the...
Cynthia A. Phillips, Andreas S. Schulz, David B. S...
APPROX
2009
Springer
163views Algorithms» more  APPROX 2009»
14 years 2 months ago
The Power of Preemption on Unrelated Machines and Applications to Scheduling Orders
Abstract. Scheduling jobs on unrelated parallel machines so as to minimize the makespan is one of the basic, well-studied problems in the area of machine scheduling. In the first ...
José R. Correa, Martin Skutella, José...
STACS
2009
Springer
14 years 2 months ago
Semi-Online Preemptive Scheduling: One Algorithm for All Variants
We present a unified optimal semi-online algorithm for preemptive scheduling on uniformly related machines with the objective to minimize the makespan. This algorithm works for a...
Tomás Ebenlendr, Jiri Sgall