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141
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FSTTCS
2006
Springer
15 years 7 months ago
Approximation Algorithms for 2-Stage Stochastic Optimization Problems
Abstract. Stochastic optimization is a leading approach to model optimization problems in which there is uncertainty in the input data, whether from measurement noise or an inabili...
Chaitanya Swamy, David B. Shmoys
109
Voted
COR
2007
112views more  COR 2007»
15 years 3 months ago
The bi-objective covering tour problem
The paper discusses the definition and solution of a bi-objective routing problem, namely the bi-objective covering tour problem. The bi-objective CTP is a generalization of the ...
Nicolas Jozefowiez, Frédéric Semet, ...
140
Voted
IOR
2006
93views more  IOR 2006»
15 years 3 months ago
A Branch-and-Price Algorithm for the Multilevel Generalized Assignment Problem
The multilevel generalized assignment problem (MGAP) is a variation of the generalized assignment problem, in which agents can execute tasks at different efficiency levels with di...
Alberto Ceselli, Giovanni Righini
118
Voted
SODA
2012
ACM
249views Algorithms» more  SODA 2012»
13 years 6 months ago
Improved competitive ratio for the matroid secretary problem
The Matroid Secretary Problem, introduced by Babaioff et al. (2007), is a generalization of the Classical Secretary Problem. In this problem, elements from a matroid are presente...
Sourav Chakraborty, Oded Lachish
FOCS
2002
IEEE
15 years 8 months ago
On the (non)Universality of the One-Time Pad
Randomization is vital in cryptography: secret keys should be randomly generated and most cryptographic primitives (e.g., encryption) must be probabilistic. As a bstraction, it is...
Yevgeniy Dodis, Joel Spencer