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COMCOM
2008
72views more  COMCOM 2008»
15 years 6 months ago
Stochastic analysis of the interplay between object maintenance and churn
Due to the prevalence of peer dynamics (i.e., churn), object maintenance becomes a fundamental issue in peer-to-peer storage systems. Although quite a few prototypes have been des...
Di Wu, Ye Tian, Kam-Wing Ng, Anwitaman Datta
CORR
2010
Springer
127views Education» more  CORR 2010»
15 years 6 months ago
Mean field for Markov Decision Processes: from Discrete to Continuous Optimization
We study the convergence of Markov Decision Processes made of a large number of objects to optimization problems on ordinary differential equations (ODE). We show that the optimal...
Nicolas Gast, Bruno Gaujal, Jean-Yves Le Boudec
EOR
2010
110views more  EOR 2010»
15 years 6 months ago
Online scheduling policies for multiclass call centers with impatient customers
We consider a call center with two classes of impatient customers: premium and regular classes. Modeling our call center as a multiclass GI/GI/s + M queue, we focus on developing ...
Oualid Jouini, Auke Pot, Ger Koole, Yves Dallery
EOR
2008
93views more  EOR 2008»
15 years 6 months ago
Approximate methods for convex minimization problems with series-parallel structure
Consider a problem of minimizing a separable, strictly convex, monotone and differentiable function on a convex polyhedron generated by a system of m linear inequalities. The probl...
Adi Ben-Israel, Genrikh Levin, Yuri Levin, Boris R...
IANDC
2008
84views more  IANDC 2008»
15 years 6 months ago
A theory of system behaviour in the presence of node and link failure
We develop a behavioural theory of distributed programs in the presence of failures such as nodes crashing and links breaking. The framework we use is that of D, a language in whi...
Adrian Francalanza, Matthew Hennessy