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125
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ICCS
2007
Springer
15 years 10 months ago
Hierarchical-Matrix Preconditioners for Parabolic Optimal Control Problems
Abstract. Hierarchical (H)-matrices approximate full or sparse matrices using a hierarchical data sparse format. The corresponding H-matrix arithmetic reduces the time complexity o...
Suely Oliveira, Fang Yang
123
Voted
PREMI
2007
Springer
15 years 10 months ago
Cunning Ant System for Quadratic Assignment Problem with Local Search and Parallelization
Abstract. The previously proposed cunning ant system (cAS), a variant of the ACO algorithm, worked well on the TSP and the results showed that the cAS could be one of the most prom...
Shigeyoshi Tsutsui
CAISE
2004
Springer
15 years 9 months ago
A Model-based Ontology of the Software Interoperability Problem: Preliminary Results
Interoperability usually refers to software system communication. Although there is no widely accepted definition, and therefore no common understanding of the context, there are m...
Vincent Rosener, Thibaud Latour, Eric Dubois
91
Voted
EMNLP
2008
15 years 5 months ago
Attacking Decipherment Problems Optimally with Low-Order N-gram Models
We introduce a method for solving substitution ciphers using low-order letter n-gram models. This method enforces global constraints using integer programming, and it guarantees t...
Sujith Ravi, Kevin Knight
MCSS
2006
Springer
15 years 3 months ago
A lattice approach to analysis and synthesis problems
Within a lattice approach, the purpose of this paper is to give general necessary and sufficient conditions for internal stabilizability and for the existence of (weakly) left-/rig...
Alban Quadrat