783 search results - page 25 / 157 » Improved approximation algorithms for the freeze-tag problem |
DCG
2010
13 years 8 months ago
2010
We consider the problem of computing minimum geometric hitting sets in which, given a set of geometric objects and a set of points, the goal is to compute the smallest subset of p...
SODA
1998
ACM
13 years 10 months ago
1998
ACM
A fundamental facility location problem is to choose the location of facilities, such as industrial plants and warehouses, to minimize the cost of satisfying the demand for some c...
COMGEO
2010
ACM
13 years 8 months ago
2010
ACM
Clustering is an important problem and has numerous applications. In this paper we consider an important clustering problem, called the k-center problem. We are given a discrete p...
SODA
2001
ACM
13 years 10 months ago
2001
ACM
In the 0-extension problem, we are given a weighted graph with some nodes marked as terminals and a semimetric on the set of terminals. Our goal is to assign the rest of the nodes ...
SIGECOM
2006
ACM
14 years 2 months ago
2006
ACM
We present approximation and online algorithms for a number of problems of pricing items for sale so as to maximize seller’s revenue in an unlimited supply setting. Our first r...