Managing Diversity on an AIS That Solves 3-Colouring Problems

  • María-Cristina Riff
  • Elizabeth Montero
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5666)


Constraint Directed Network Artificial Immune System is an artificial immune algorithm, recently proposed, to solve constraint satisfaction problems. The algorithm has shown to be able to solve hard instances. However, some problems are still unsolved using this approach. In this paper, we propose a method to improve the search done by the algorithm. Our method can be included in other immune algorithms which manage constraints. The tests are carried out to solve very hard instances randomly generated of 3-colouring problems. The results show that using our method, the algorithm is able to solve more problems in less execution time.


Constraint Satisfaction Constraint Satisfaction Problem Constraint Violation Immune Algorithm Constraint Graph 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • María-Cristina Riff
    • 1
  • Elizabeth Montero
    • 1
  1. 1.Department of Computer ScienceUniversidad Técnica Federico Santa MaríaValparaísoChile

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