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» Approximation algorithms for facility location problems
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EOR
2007
76views more  EOR 2007»
13 years 10 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»
14 years 5 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»
14 years 8 days 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
14 years 11 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
14 years 5 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