Scheduling with tails and deadlines

Francis Sourd 1 Wim Nuijten
1 SYSDEF - Systèmes d'aide à la décision et à la formation
LIP6 - Laboratoire d'Informatique de Paris 6
Abstract : This paper discusses scheduling problems that combine tails and deadlines or, equivalently, due dates and deadlines. This approach is illustrated to be of practical interest to strengthen some lower bounds in shop scheduling problems. We show that both deadlines and tails can efficiently be modelled via a non-decreasing cost function of the completion time so that we can use the $O(n^2)$ algorithm due to Baker, Lawler, Lenstra and Rinnooy Kan for the $1 \vert pmtn,prec,r_j \vert f_{max}$ problem to solve $1 \vert pmtn,prec,r_j,d_j,q_j \vert C_{max}$. For this problem, we present an algorithm with improved complexity of $O(e+n\log n)$ where $e$ is the number of precedence constraints and we present some extensions of this algorithm to solve two parallel machine problems with unit execution time operations.
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Submitted on : Monday, September 7, 2015 - 5:17:55 PM
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Francis Sourd, Wim Nuijten. Scheduling with tails and deadlines. Journal of Scheduling, Springer Verlag, 2001, 4 (2), pp.105-121. ⟨10.1002/jos.71⟩. ⟨hal-01194885⟩



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