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    TPDS
    2008
    136views more  TPDS 2008»
    Data Gathering with Tunable Compression in Sensor Networks
    14 years 3 months ago
    Data Gathering with Tunable Compression in Sensor Networks
    Download  halcyon.usc.edu
    We study the problem of constructing a data gathering tree over a wireless sensor network in order to minimize the total energy for compressing and transporting information from a ...
    Yang Yu, Bhaskar Krishnamachari, Viktor K. Prasann...
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    MFCS
    2005
    Springer
    182views Theoretical Computer Science» more  MFCS 2005»
    Greedy Approximation via Duality for Packing, Combinatorial Auctions and Routing
    14 years 9 months ago
    Greedy Approximation via Duality for Packing, Combinatorial Auctions and Routing
    Download  ls2-www.cs.uni-dortmund.de
    We study simple greedy approximation algorithms for general class of integer packing problems. We provide a novel analysis based on the duality theory of linear programming. This e...
    Piotr Krysta
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