Sciweavers

291 search results - page 43 / 59
» Factor 2 Approximation Algorithm for the Generalized Steiner...
Sort
View
MSWIM
2005
ACM
14 years 28 days ago
Content and service replication strategies in multi-hop wireless mesh networks
Emerging multi-hop wireless mesh networks have much different characteristics than the Internet. They have low dimensionality and large diameters. Content and service replication ...
Shudong Jin, Limin Wang
JCO
2010
101views more  JCO 2010»
13 years 5 months ago
Separator-based data reduction for signed graph balancing
Abstract Polynomial-time data reduction is a classical approach to hard graph problems. Typically, particular small subgraphs are replaced by smaller gadgets. We generalize this ap...
Falk Hüffner, Nadja Betzler, Rolf Niedermeier
DSD
2008
IEEE
166views Hardware» more  DSD 2008»
14 years 1 months ago
Pearson - based Analysis of Positioning Error Distribution in Wireless Sensor Networks
Abstract—In two recent contributions [1], [2], we have provided a comparative analysis of various optimization algorithms, which can be used for atomic location estimation, and s...
Stefano Tennina, Marco Di Renzo, Fabio Graziosi, F...
SODA
2012
ACM
226views Algorithms» more  SODA 2012»
11 years 9 months ago
On the hardness of pricing loss-leaders
Consider the problem of pricing n items under an unlimited supply with m buyers. Each buyer is interested in a bundle of at most k of the items. These buyers are single minded, wh...
Preyas Popat, Yi Wu
SODA
2010
ACM
135views Algorithms» more  SODA 2010»
14 years 4 months ago
Probabilistic Analysis of the Semidefinite Relaxation Detector in Digital Communications
We consider the problem of detecting a vector of symbols that is being transmitted over a fading multiple?input multiple?output (MIMO) channel, where each symbol is an ?th root of...
Anthony Man-Cho So