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ALGOSENSORS
2009
Springer
14 years 2 months ago
Improved Approximation Algorithms for Maximum Lifetime Problems in Wireless Networks
A wireless ad-hoc network is a collection of transceivers positioned in the plane. Each transceiver is equipped with a limited battery charge. The battery charge is then reduced a...
Zeev Nutov, Michael Segal
WINE
2009
Springer
178views Economy» more  WINE 2009»
14 years 2 months ago
The Geometry of Truthfulness
We study the geometrical shape of the partitions of the input space created by the allocation rule of a truthful mechanism for multi-unit auctions with multidimensional types and ...
Angelina Vidali
DFG
2009
Springer
14 years 2 months ago
Group-Level Analysis and Visualization of Social Networks
Social network analysis investigates the structure of relations amongst social actors. A general approach to detect patterns of interaction and to filter out irregularities is to ...
Michael Baur, Ulrik Brandes, Jürgen Lerner, D...
FSTTCS
2009
Springer
14 years 2 months ago
Kernels for Feedback Arc Set In Tournaments
A tournament T = (V, A) is a directed graph in which there is exactly one arc between every pair of distinct vertices. Given a digraph on n vertices and an integer parameter k, th...
Stéphane Bessy, Fedor V. Fomin, Serge Gaspe...
GECCO
2009
Springer
254views Optimization» more  GECCO 2009»
14 years 2 months ago
Agglomerative genetic algorithm for clustering in social networks
Size and complexity of data repositories collaboratively created by Web users generate a need for new processing approaches. In this paper, we study the problem of detection of ...
Marek Lipczak, Evangelos E. Milios