The problem of finding a large independent set in a hyper-graph by an online algorithm is considered. We provide bounds for the best possible performance ratio of deterministic vs. randomized and non-preemptive vs. preemptive algorithms. Applying these results we prove bounds for the performance of online algorithms for routing problems via fixed paths over networks.


Competitive Ratio Online Algorithm Unit Bandwidth Preemptive Case Preemptive Algorithm 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1999

Authors and Affiliations

  • Noga Alon
    • 1
  • Uri Arad
    • 2
  • Yossi Azar
    • 2
  1. 1.Department of Mathematics and Computer ScienceTel-Aviv UniversityIsrael
  2. 2.Dept. of Computer ScienceTel-Aviv UniversityTel-AvivIsrael

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