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» Approximation algorithms for facility location problems
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EOR
2007
76views more  EOR 2007»
15 years 1 months ago
Multicriteria tour planning for mobile healthcare facilities in a developing country
A multiobjective combinatorial optimization (MOCO) formulation for the following location-routing problem in healthcare management is given: For a mobile healthcare facility, a cl...
Karl Doerner, Axel Focke, Walter J. Gutjahr
SIGECOM
2009
ACM
216views ECommerce» more  SIGECOM 2009»
15 years 7 months ago
Approximate mechanism design without money
The literature on algorithmic mechanism design is mostly concerned with game-theoretic versions of optimization problems to which standard economic money-based mechanisms cannot b...
Ariel D. Procaccia, Moshe Tennenholtz
IPCO
2001
166views Optimization» more  IPCO 2001»
15 years 2 months ago
Approximate k-MSTs and k-Steiner Trees via the Primal-Dual Method and Lagrangean Relaxation
Garg [10] gives two approximation algorithms for the minimum-cost tree spanning k vertices in an undirected graph. Recently Jain and Vazirani [16] discovered primal-dual approxima...
Fabián A. Chudak, Tim Roughgarden, David P....
PODC
2009
ACM
16 years 1 months ago
Distributed and parallel algorithms for weighted vertex cover and other covering problems
The paper presents distributed and parallel -approximation algorithms for covering problems, where is the maximum number of variables on which any constraint depends (for example...
Christos Koufogiannakis, Neal E. Young
ICNSC
2008
IEEE
15 years 7 months ago
Facility Location Optimization via Multi-Agent Robotic Systems
— A facility location problem deals with locating the best place for a group of facilities, among distinct demand points, minimizing a certain locational optimization function. I...
Miad Moarref, Hassan Sayyadi