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» Algorithms for Implicit Hitting Set Problems
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83
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ADC
2003
Springer
128views Database» more  ADC 2003»
15 years 2 months ago
An algorithm for the induction of defeasible logic theories from databases
Defeasible logic is a non-monotonic logic with applications in rule-based domains such as law. To ease the development and improve the accuracy of expert systems based on defeasib...
Benjamin Johnston, Guido Governatori
CEC
2008
IEEE
15 years 4 months ago
New evaluation criteria for the convergence of continuous evolutionary algorithms
—The first hitting time (FHT) plays an important role in convergence evaluation for evolutionary algorithms. However, the current criteria of the FHT are mostly under a hypothesi...
Ying Lin, Jian Huang, Jun Zhang
APPROX
2009
Springer
195views Algorithms» more  APPROX 2009»
15 years 4 months ago
Approximating Node-Connectivity Augmentation Problems
The (undirected) Node Connectivity Augmentation (NCA) problem is: given a graph J = (V, EJ ) and connectivity requirements {r(u, v) : u, v ∈ V }, find a minimum size set I of n...
Zeev Nutov
COCO
2004
Springer
119views Algorithms» more  COCO 2004»
15 years 1 months ago
Tight Lower Bounds for Certain Parameterized NP-Hard Problems
Based on the framework of parameterized complexity theory, we derive tight lower bounds on the computational complexity for a number of well-known NP-hard problems. We start by pr...
Jianer Chen, Benny Chor, Mike Fellows, Xiuzhen Hua...
62
Voted
EOR
2006
134views more  EOR 2006»
14 years 9 months ago
A smoothing heuristic for a bilevel pricing problem
In this paper, we provide a heuristic procedure, that performs well from a global optimality point of view, for an important and difficult class of bilevel programs. The algorithm...
Jean-Pierre Dussault, Patrice Marcotte, Séb...