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106
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JSAC
2006
96views more  JSAC 2006»
15 years 12 days ago
Price-based distributed algorithms for rate-reliability tradeoff in network utility maximization
Abstract--The current framework of network utility maximization for rate allocation and its price-based algorithms assumes that each link provides a fixed-size transmission "p...
Jang-Won Lee, Mung Chiang, A. Robert Calderbank
98
Voted
MANSCI
2006
104views more  MANSCI 2006»
15 years 12 days ago
Procuring Fast Delivery: Sole Sourcing with Information Asymmetry
This paper studies a queuing model in which a buyer sources a good or service from an single supplier chosen from a pool of suppliers. The buyer seeks to minimize the sum of her p...
Gérard P. Cachon, Fuqiang Zhang
110
Voted
MONET
2006
103views more  MONET 2006»
15 years 12 days ago
Minimum-Energy Broadcasting in Multi-hop Wireless Networks Using a Single Broadcast Tree
In this paper we address the minimum-energy broadcast problem in multi-hop wireless networks, so that all broadcast requests initiated by different source nodes take place on the s...
Ioannis Papadimitriou, Leonidas Georgiadis
113
Voted
SIGIR
2008
ACM
15 years 11 days ago
A new probabilistic retrieval model based on the dirichlet compound multinomial distribution
The classical probabilistic models attempt to capture the Ad hoc information retrieval problem within a rigorous probabilistic framework. It has long been recognized that the prim...
Zuobing Xu, Ram Akella
83
Voted
IPL
2007
99views more  IPL 2007»
15 years 10 days ago
Substitutions into propositional tautologies
We prove that there is a polynomial time substitution (y1, . . . , yn) := g(x1, . . . , xk) with k << n such that whenever the substitution instance A(g(x1, . . . , xk)) of ...
Jan Krajícek