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IPCO
2004
13 years 8 months ago
2004
Abstract. We study two-stage, finite-scenario stochastic versions of several combinatorial optimization problems, and provide nearly tight approximation algorithms for them. Our pr...
FSTTCS
2010
Springer
13 years 4 months ago
2010
Springer
A spanner of a graph is a sparse subgraph that approximately preserves distances in the original graph. More precisely, a subgraph H = (V, EH ) is a k-spanner of a graph G = (V, E...
SIGECOM
2005
ACM
14 years 1 months ago
2005
ACM
We address the problem of lowering the buyer’s expected payments in shortest path auctions, where the buyer’s goal is to purchase a path in a graph in which edges are owned by...
IEEEMSP
2002
IEEE
14 years 11 days ago
2002
IEEE
—This paper presents an operational rate-distortion (ORD) optimal approach for skeleton-based boundary encoding. The boundary information is first decomposed into skeleton and di...
FOCS
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract— Applications in complex systems such as the Internet have spawned recent interest in studying situations involving multiple agents with their individual cost or utility...