56 search results - page 4 / 12 » An optimal bifactor approximation algorithm for the metric u... |
CORR
2010
Springer
13 years 7 months ago
2010
Springer
We introduce a problem that is a common generalization of the uncapacitated facility location (UFL) and minimum latency (ML) problems, where facilities not only need to be opened ...
SODA
2001
ACM
13 years 8 months ago
2001
ACM
d Abstract) Moses Charikar Samir Khullery David M. Mountz Giri Narasimhanx Facility location problems are traditionally investigated with the assumption that all the clients are t...
ALGORITHMICA
2004
13 years 7 months ago
2004
We apply and extend the priority algorithm framework introduced by Borodin, Nielsen, and Rackoff to define "greedy-like" algorithms for the (uncapacitated) facility locat...
SODA
2012
ACM
11 years 9 months ago
2012
ACM
We give a constant factor approximation algorithm for the following generalization of the k-median problem. We are given a set of clients and facilities in a metric space. Each fa...
IPCO
2001
13 years 8 months ago
2001
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...