APPROX
2005
Springer
13 years 10 months ago
2005
Springer
The field of stochastic optimization studies decision making under uncertainty, when only probabilistic information about the future is available. Finding approximate solutions to...
APPROX
2005
Springer
13 years 10 months ago
2005
Springer
Abstract. We consider the problem of fitting an n × n distance matrix M by a tree metric T. We give a factor O(min{n1/p , (k log n)1/p }) approximation algorithm for finding the...
ATAL
2007
Springer
13 years 10 months ago
2007
Springer
Running several sub-optimal algorithms and choosing the optimal one is a common procedure in computer science, most notably in the design of approximation algorithms. This paper d...
ICNP
2007
IEEE
13 years 11 months ago
2007
IEEE
Abstract—Radio frequency identification (RFID) is a technology where a reader device can “sense” the presence of a closeby object by reading a tag device attached to the obj...
FOCS
2007
IEEE
13 years 11 months ago
2007
IEEE
We consider approximation algorithms for buy-at-bulk network design, with the additional constraint that demand pairs be protected against edge or node failures in the network. In...
INFOCOM
2008
IEEE
13 years 11 months ago
2008
IEEE
—In multi-rate wireless LANs, throughput-based fair bandwidth allocation can lead to drastically reduced aggregate throughput. To balance aggregate throughput while serving users...
COMPGEOM
2009
ACM
13 years 11 months ago
2009
ACM
Given a set system (X, R), the hitting set problem is to find a smallest-cardinality subset H ⊆ X, with the property that each range R ∈ R has a non-empty intersection with H...
FSTTCS
2009
Springer
13 years 11 months ago
2009
Springer
In this paper, we initiate the study of designing approximation algorithms for FaultTolerant Group-Steiner (FTGS) problems. The motivation is to protect the well-studied group-Ste...
APPROX
2009
Springer
13 years 11 months ago
2009
Springer
An important research thread in algorithmic game theory studies the design of efficient truthful mechanisms that approximate the optimal social welfare. A fundamental question is ...
INFOCOM
2009
IEEE
13 years 11 months ago
2009
IEEE
—With the explosive deployment of “triple play” (voice, video and data services) over the same access network, guaranteeing a certain-level of survivability for the access ne...