Sciweavers

2694 search results - page 66 / 539
» Fully Distributed Algorithms for Convex Optimization Problem...
Sort
View
SIAMJO
2010
84views more  SIAMJO 2010»
14 years 8 months ago
A Redistributed Proximal Bundle Method for Nonconvex Optimization
Proximal bundle methods have been shown to be highly successful optimization methods for unconstrained convex problems with discontinuous first derivatives. This naturally leads ...
Warren Hare, Claudia A. Sagastizábal
ICML
2008
IEEE
15 years 10 months ago
Efficiently solving convex relaxations for MAP estimation
The problem of obtaining the maximum a posteriori (map) estimate of a discrete random field is of fundamental importance in many areas of Computer Science. In this work, we build ...
M. Pawan Kumar, Philip H. S. Torr
AAAI
2006
14 years 11 months ago
Embedding Heterogeneous Data Using Statistical Models
Embedding algorithms are a method for revealing low dimensional structure in complex data. Most embedding algorithms are designed to handle objects of a single type for which pair...
Amir Globerson, Gal Chechik, Fernando Pereira, Naf...
ICMCS
2007
IEEE
157views Multimedia» more  ICMCS 2007»
15 years 4 months ago
Cooperative Peer-to-Peer Repair for Wireless Multimedia Broadcast
Abstract— This paper explores how to leverage IEEE802.11based cooperative peer-to-peer repair (CPR) to enhance the reliability of wireless multimedia broadcasting. We first form...
Saqib Raza, Danjue Li, Chen-Nee Chuah, Gene Cheung
TWC
2008
105views more  TWC 2008»
14 years 9 months ago
Joint medium access control, routing and energy distribution in multi-hop wireless networks
It is a challenging task for multi-hop wireless networks to support multimedia applications with quality-ofservice (QoS) requirements. This letter presents a joint crosslayer optim...
Khoa T. Phan, Hai Jiang, Chintha Tellambura, Sergi...