Rounding in e-approximation algorithms

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A common approach to deal with NP-hard problems is to deploy polymonial-time e-approximation algorithms often resort to rounding and scaling to guarantee a solution that is within a factor ( 1+ypsilon) of the optimal solution. Usually, researchers either only round up or only down. In this paper we will evaluate the gian in accuracy when rounding up and down. The main application of this technique upon which we focus is Quality Service routing and specifically the Restricted Shortest Path Problem.
Original languageEnglish
Title of host publicationProceedings: IEEE SCVT 2006
Editors s.n
Place of PublicationLiege
PublisherIEEE Society
Number of pages4
ISBN (Print)0780397851
Publication statusPublished - 2006
EventIEEE SCVT 2006 - Liege, Belgium
Duration: 23 Nov 2006 → …

Publication series



ConferenceIEEE SCVT 2006
Period23/11/06 → …


  • conference contrib. refereed
  • Conf.proc. > 3 pag


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