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NAS Algorithm for Semantic Query Routing Systems in Complex Networks

  • Laura Cruz-Reyes
  • Claudia Guadalupe Gómez Santillán
  • Marco Antonio Aguirre Lam
  • Satu Elisa Schaeffer
  • Tania Turrubiates López
  • Rogelio Ortega Izaguirre
  • Héctor J. Fraire-Huacuja
Part of the Advances in Soft Computing book series (AINSC, volume 50)

Abstract

The modern distributed systems are acquiring a great importance in our daily lives. Each day more transactions are conducted through devices which perform queries that are dependent on the reliability, availability and security of distributed applications. In addition, those systems show great dynamism as a result of the extremely complex and unpredictable interactions between the distributed components, making it practically impossible to evaluate their behavior. In this paper, we evaluate the performance of the NAS algorithm (Neighboring-Ant Search), which is an algorithm for distributed textual query routing based on the Ant Colony System metaheuristic and SemAnt algorithm, improved with a local topological characterization metric and a classic local exploration method called lookahead, with the aim of improving the performance of the distributed search. Our results show that including local information like the topological metric and the exploration method in the Neighboring-Ant Search algorithm improves its performance 40%, in terms of the number of hops needed to locate a set of resources in a scale-free network.

Keywords

Internet query routing system ant colony system scale-free topology peer-to-peer network 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Laura Cruz-Reyes
    • 1
  • Claudia Guadalupe Gómez Santillán
    • 1
    • 2
  • Marco Antonio Aguirre Lam
    • 1
  • Satu Elisa Schaeffer
    • 3
  • Tania Turrubiates López
    • 1
    • 4
  • Rogelio Ortega Izaguirre
    • 2
  • Héctor J. Fraire-Huacuja
    • 1
  1. 1.Instituto Tecnológico de Ciudad Madero (ITCM)México
  2. 2.Centro de Investigación en Ciencia Aplicada y Tecnología Aplicada (CICATA), Carretera, Tampico-Puerto Industrial AltamiraMéxico
  3. 3.Facultad de Ingeniería Mecánica y Eléctrica (UANL)Avenida Universidad s/n. Cd., Universitaria, CP.San Nicolás de los GarzaMéxico
  4. 4.Instituto Tecnológico Superior de Álamo Temapache (ITSAT)Álamo, VeracruzMéxico

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