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» On the Subgroup Distance Problem
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AAAI
2000
15 years 5 months ago
Using Auxiliary Variables and Implied Constraints to Model Non-Binary Problems
We perform an extensive theoretical and empirical analysis of the use of auxiliary variables and implied constraints in modelling a class of non-binary constraint satisfaction pro...
Barbara M. Smith, Kostas Stergiou, Toby Walsh
CORR
2010
Springer
92views Education» more  CORR 2010»
15 years 4 months ago
Extremal graphs for the identifying code problem
An identifying code of a graph G is a dominating set C such that every vertex x of G is distinguished from all other vertices by the set of vertices in C that are at distance at m...
Florent Foucaud, Eleonora Guerrini, Matjaz Kovse, ...
HM
2007
Springer
180views Optimization» more  HM 2007»
15 years 7 months ago
Empirical Analysis of Two Different Metaheuristics for Real-World Vehicle Routing Problems
We present two hybrid Metaheuristics, a hybrid Iterated Local Search and a hybrid Simulated Annealing, for solving real-world extensions of the Vehicle Routing Problem with Time Wi...
Tonci Caric, Juraj Fosin, Ante Galic, Hrvoje Gold,...
DM
2010
90views more  DM 2010»
15 years 4 months ago
The firefighter problem for cubic graphs
We show that the firefighter problem is NP-complete for cubic graphs. We also show that given a rooted tree of maximum degree three in which every leaf is the same distance from t...
Andrew King, Gary MacGillivray
124
Voted
EOR
2010
219views more  EOR 2010»
15 years 4 months ago
The Attractive Traveling Salesman Problem
In the Attractive Traveling Salesman Problem the vertex set is partitioned into facility vertices and customer vertices. A maximum profit tour must be constructed on a subset of t...
Günes Erdogan, Jean-François Cordeau, ...