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ICDT
2005
ACM
128views Database» more  ICDT 2005»
15 years 3 months ago
The Pipelined Set Cover Problem
Abstract. A classical problem in query optimization is to find the optimal ordering of a set of possibly correlated selections. We provide an ion of this problem as a generalizati...
Kamesh Munagala, Shivnath Babu, Rajeev Motwani, Je...
TIT
2010
114views Education» more  TIT 2010»
14 years 4 months ago
Convergence of min-sum message-passing for convex optimization
Abstract--We establish that the min-sum messagepassing algorithm and its asynchronous variants converge for a large class of unconstrained convex optimization problems, generalizin...
Ciamac Cyrus Moallemi, Benjamin Van Roy
TMC
2008
192views more  TMC 2008»
14 years 9 months ago
A Bidding Algorithm for Optimized Utility-Based Resource Allocation in Ad Hoc Networks
Abstract-- This article proposes a scheme for bandwidth allocation in wireless ad hoc networks. The quality of service (QoS) levels for each end-to-end flow are expressed using a r...
Calin Curescu, Simin Nadjm-Tehrani
CP
2005
Springer
15 years 3 months ago
Approximations in Distributed Optimization
Abstract. We present a parameterized approximation scheme for distributed combinatorial optimization problems based on dynamic programming. The algorithm is a utility propagation m...
Adrian Petcu, Boi Faltings
INFOCOM
2011
IEEE
14 years 1 months ago
Optimal channel assignment and power allocation for dual-hop multi-channel multi-user relaying
Abstract—We consider the problem of jointly optimizing channel pairing, channel-user assignment, and power allocation in a single-relay multiple-access system. The optimization o...
Mahdi Hajiaghayi, Min Dong, Ben Liang