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ORL
2008
112views more  ORL 2008»
9 years 8 months ago
A monotone approximation algorithm for scheduling with precedence constraints
We provide a monotone O(m2/3 )-approximation algorithm for scheduling related machines with precedence constraints.
Sven Oliver Krumke, Anne Schwahn, Rob van Stee, St...
CJ
2008
110views more  CJ 2008»
9 years 8 months ago
Average-Case Performance Analysis Of Online Non-Clairvoyant Scheduling Of Parallel Tasks With Precedence Constraints
We evaluate the average-case performance of three approximation algorithms for online non-clairvoyant scheduling of parallel tasks with precedence constraints. We show that for a ...
Keqin Li
ICALP
2001
Springer
10 years 13 days ago
On the Approximability of Average Completion Time Scheduling under Precedence Constraints
Abstract. We consider the scheduling problem of minimizing the average weighted job completion time on a single machine under precedence constraints. We show that this problem with...
Gerhard J. Woeginger
IPCO
1998
152views Optimization» more  IPCO 1998»
9 years 9 months ago
Approximation Bounds for a General Class of Precedence Constrained Parallel Machine Scheduling Problems
Abstract. A well studied and difficult class of scheduling problems concerns parallel machines and precedence constraints. In order to model more realistic situations, we consider ...
Alix Munier, Maurice Queyranne, Andreas S. Schulz
IPCO
2007
98views Optimization» more  IPCO 2007»
9 years 9 months ago
Scheduling with Precedence Constraints of Low Fractional Dimension
Abstract. We consider the single machine scheduling problem to minimize the average weighted completion time under precedence constrains. Improving on the various 2-approximation a...
Christoph Ambühl, Monaldo Mastrolilli, Nikola...
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