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On scheduling problems restricted to interval orders

Identifieur interne : 001120 ( Istex/Corpus ); précédent : 001119; suivant : 001121

On scheduling problems restricted to interval orders

Auteurs : Klaus Jansen

Source :

RBID : ISTEX:47F37255EB68111B87CC2AE071D9F88C94C865FD

Abstract

Abstract: In this paper we analyse a scheduling problem where each processor can execute only a subset of all unit-time jobs. We show that this problem is NP-complete even for interval orders. If each job has a specified type and processors can only execute jobs with one type, the problem can be solved in polynomial time. The same holds if the deadline is constant. At last we give a heuristic for the scheduling problem restricted to an interval order with logarithmic approximation bound.

Url:
DOI: 10.1007/3-540-56402-0_33

Links to Exploration step

ISTEX:47F37255EB68111B87CC2AE071D9F88C94C865FD

Le document en format XML

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<Para>In this paper we analyse a scheduling problem where each processor can execute only a subset of all unit-time jobs. We show that this problem is NP-complete even for interval orders. If each job has a specified type and processors can only execute jobs with one type, the problem can be solved in polynomial time. The same holds if the deadline is constant. At last we give a heuristic for the scheduling problem restricted to an interval order with logarithmic approximation bound.</Para>
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<abstract lang="en">Abstract: In this paper we analyse a scheduling problem where each processor can execute only a subset of all unit-time jobs. We show that this problem is NP-complete even for interval orders. If each job has a specified type and processors can only execute jobs with one type, the problem can be solved in polynomial time. The same holds if the deadline is constant. At last we give a heuristic for the scheduling problem restricted to an interval order with logarithmic approximation bound.</abstract>
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