Genetic algorithm-based multi-objective optimisation for QoS-aware web services composition

  • Authors:
  • Li Li;Pengyi Yang;Ling Ou;Zili Zhang;Peng Cheng

  • Affiliations:
  • Southwest University, Chongqing, P.R. China;School of IT, The University of Sydney, Sydney, Australia;Southwest University, Chongqing, P.R. China;Southwest University, Chongqing, P.R. China;Southwest University, Chongqing, P.R. China

  • Venue:
  • KSEM'10 Proceedings of the 4th international conference on Knowledge science, engineering and management
  • Year:
  • 2010

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Abstract

Finding an optimal solution for QoS-aware Web service composition with various restrictions on qualities is a multi-objective optimisation problem. A popular multi-objective genetic algorithm, NSGA-II, is studied in order to provide a set of optimal solutions for QoS-based service composition. Experiments with different numbers of abstract and concrete services confirm the expected behaviour of the algorithm.