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IPCO
1998
152views Optimization» more  IPCO 1998»
14 years 11 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
EOR
2006
120views more  EOR 2006»
14 years 9 months ago
Approximate and exact algorithms for the fixed-charge knapsack problem
The subject of this paper is the formulation and solution of a variation of the classical binary knapsack problem. The variation that is addressed is termed the ``fixed-charge kna...
Umit Akinc
83
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FORMATS
2007
Springer
15 years 3 months ago
Quantitative Model Checking Revisited: Neither Decidable Nor Approximable
Abstract. Quantitative model checking computes the probability values of a given property quantifying over all possible schedulers. It turns out that maximum and minimum probabilit...
Sergio Giro, Pedro R. D'Argenio
DAM
2007
91views more  DAM 2007»
14 years 9 months ago
A note on the precedence-constrained class sequencing problem
We give a short proof of a result of Tovey [6] on the inapproximability of a scheduling problem known as precedence constrained class sequencing. In addition, we present an approxi...
José R. Correa, Samuel Fiorini, Nicol&aacut...
CORR
2007
Springer
131views Education» more  CORR 2007»
14 years 9 months ago
Approximation Algorithms for Multiprocessor Scheduling under Uncertainty
Motivated by applications in grid computing and projects management, we study multiprocessor scheduling in scenarios where there is uncertainty in the successful execution of jobs...
Guolong Lin, Rajmohan Rajaraman