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» On the optimality of the neighbor-joining algorithm
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SIAMSC
2010
198views more  SIAMSC 2010»
15 years 5 months ago
Analysis of Block Parareal Preconditioners for Parabolic Optimal Control Problems
In this paper, we describe block matrix algorithms for the iterative solution of large scale linear-quadratic optimal control problems arising from the optimal control of parabolic...
Tarek P. Mathew, Marcus Sarkis, Christian E. Schae...
INFOCOM
2005
IEEE
16 years 12 days ago
Asymptotically optimal power-aware routing for multihop wireless networks with renewable energy sources
— In this paper, we model and characterize the performance of multihop radio networks in the presence of energy constraints, and design routing algorithms to optimally utilize th...
Xiaojun Lin, Ness B. Shroff, R. Srikant
CEC
2005
IEEE
16 years 13 days ago
Real-parameter optimization using the mutation step co-evolution
Abstract- An evolutionary algorithm for the optimization of a function with real parameters is described in this paper. It uses a cooperative co-evolution to breed and reproduce su...
Petr Posik
GECCO
2005
Springer
131views Optimization» more  GECCO 2005»
16 years 10 days ago
Evolutionary optimization of dynamic control problems accelerated by progressive step reduction
In this paper, we describe the use of an evolutionary algorithm (EA) to solve dynamic control optimization problems in engineering. In this class of problems, a set of control var...
Q. Tuan Pham
PODS
2008
ACM
123views Database» more  PODS 2008»
16 years 7 months ago
Evaluating rank joins with optimal cost
In the rank join problem, we are given a set of relations and a scoring function, and the goal is to return the join results with the top K scores. It is often the case in practic...
Karl Schnaitter, Neoklis Polyzotis