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Main Title: Stochastic Machine Scheduling with Precedence Constraints
Author(s): Skutella, Martin
Uetz, Marc
Type: Research Paper
Abstract: We consider parallel, identical machine scheduling problems where the jobs are subject to precedence constraints, release dates, and the processing times of jobs are governed by independent probability distributions. The objective is to minimize the expected value of the total weighted completion time `&; w_j C_j, where w_jgeq 0`. Building upon a linear programming relaxation by Moehring, Schulz, and Uetz, and an idle time charging scheme by Chekuri, Motwani, Natarajan, and Stein, we derive the first constant-factor approximation algorithms for this model.
Subject(s): stochastic scheduling
worst-case performance
Issue Date: 2002
Date Available: 17-Dec-2021
Language Code: en
DDC Class: 510 Mathematik
Series: Preprint-Reihe des Instituts für Mathematik, Technische Universität Berlin
Series Number: 2002, 756
ISSN: 2197-8085
TU Affiliation(s): Fak. 2 Mathematik und Naturwissenschaften » Inst. Mathematik
Appears in Collections:Technische Universität Berlin » Publications

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