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CEC
2010
IEEE
15 years 7 months ago
The differential Ant-Stigmergy Algorithm for large-scale global optimization
— Ant-colony optimization (ACO) is a popular swarm intelligence metaheuristic scheme that can be applied to almost any optimization problem. In this paper, we address a performan...
Peter Korosec, Katerina Taskova, Jurij Silc
ENTCS
2008
97views more  ENTCS 2008»
15 years 6 months ago
An Algorithm for Approximating the Satisfiability Problem of High-level Conditions
The satisfiability problem is the fundamental problem in proving the conflict-freeness of specifications, or in finding a counterexample for an invalid statement. In this paper, w...
Karl-Heinz Pennemann
ALGORITHMICA
2002
101views more  ALGORITHMICA 2002»
15 years 6 months ago
Improved Algorithms for Constructing Fault-Tolerant Spanners
Let S be a set of n points in a metric space, and k a positive integer. Algorithms are given that construct k-fault-tolerant spanners for S. If in such a spanner at most k vertice...
Christos Levcopoulos, Giri Narasimhan, Michiel H. ...
DC
2002
15 years 6 months ago
Restoration by path concatenation: fast recovery of MPLS paths
A new general theory about restoration of network paths is first introduced. The theory pertains to restoration of shortest paths in a network following failure, e.g., we prove th...
Yehuda Afek, Anat Bremler-Barr, Haim Kaplan, Edith...
PVLDB
2008
118views more  PVLDB 2008»
15 years 6 months ago
XTCcmp: XQuery compilation on XTC
XTCcmp, the XQuery Compiler of a native XML database system, extends Starburst's well-known Query Graph Model to serve as an internal representation and basis for query restr...
Christian Mathis, Andreas M. Weiner, Theo Här...