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Competitive analysis of preemptive single-machine scheduling

✍ Scribed by René Sitters


Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
204 KB
Volume
38
Category
Article
ISSN
0167-6377

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The power of α-points in preemptive sing
✍ Andreas S. Schulz; Martin Skutella 📂 Article 📅 2002 🏛 Springer US 🌐 English ⚖ 143 KB

We consider the NP-hard preemptive single-machine scheduling problem to minimize the total weighted completion time subject to release dates. A natural extension of Smith's ratio rule is to preempt the currently active job whenever a new job arrives that has higher ratio of weight to processing time