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» On Bounds for the k-Partitioning of Graphs
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CORR
2007
Springer
130views Education» more  CORR 2007»
14 years 9 months ago
Lagrangian Relaxation for MAP Estimation in Graphical Models
Abstract— We develop a general framework for MAP estimation in discrete and Gaussian graphical models using Lagrangian relaxation techniques. The key idea is to reformulate an in...
Jason K. Johnson, Dmitry M. Malioutov, Alan S. Wil...
INFOCOM
2009
IEEE
15 years 4 months ago
Online Bipartite Perfect Matching With Augmentations
—In this paper, we study an online bipartite matching problem, motivated by applications in wireless communication, content delivery, and job scheduling. In our problem, we have ...
Kamalika Chaudhuri, Constantinos Daskalakis, Rober...
TCC
2009
Springer
132views Cryptology» more  TCC 2009»
15 years 10 months ago
Authenticated Adversarial Routing
: The aim of this paper is to demonstrate the feasibility of authenticated throughput-ecient routing in an unreliable and dynamically changing synchronous network in which the majo...
Yair Amir, Paul Bunn, Rafail Ostrovsky
FOCS
2007
IEEE
15 years 4 months ago
Adaptive Simulated Annealing: A Near-optimal Connection between Sampling and Counting
We present a near-optimal reduction from approximately counting the cardinality of a discrete set to approximately sampling elements of the set. An important application of our wo...
Daniel Stefankovic, Santosh Vempala, Eric Vigoda
ISSTA
2004
ACM
15 years 3 months ago
Optimal strategies for testing nondeterministic systems
This paper deals with testing of nondeterministic software systems. We assume that a model of the nondeterministic system is given by a directed graph with two kind of vertices: s...
Lev Nachmanson, Margus Veanes, Wolfram Schulte, Ni...