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- W2145593504 abstract "We study the maximum weight matching problem in the semi-streamingmodel, and improve on the currently best one-pass algorithm due toZelke (Proc. STACS~'08, pages 669--680) by devising a deterministicapproach whose performance guarantee is $4.91 + eps$. In addition,we study {em preemptive} online algorithms, a sub-class of one-passalgorithms where we are only allowed to maintain a feasible matchingin memory at any point in time. All known results prior to Zelke'sbelong to this sub-class. We provide a lower bound of $4.967$ on thecompetitive ratio of any such deterministic algorithm, and henceshow that future improvements will have to store in memory a set ofedges which is not necessarily a feasible matching. We conclude bypresenting an empirical study, conducted in order to compare thepractical performance of our approach to that of previouslysuggested algorithms." @default.
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- W2145593504 date "2010-03-04" @default.
- W2145593504 modified "2023-09-22" @default.
- W2145593504 title "IMPROVED APPROXIMATION GUARANTEES FOR WEIGHTED MATCHING IN THE SEMI-STREAMING MODEL *" @default.
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- W2145593504 doi "https://doi.org/10.4230/lipics.stacs.2010.2476" @default.
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