Interactive Genetic Algorithm with Group Intelligence Articulated Possibilistic Condition Preference Model

  • Xiaoyan SunEmail author
  • Lixia Zhu
  • Lin Bao
  • Lian Liu
  • Xin Nie
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10593)


Interactive evolutionary computation assisted with surrogate models derived from the user’s interactions is a feasible method for solving personalized search problems. However, in the initial stage, the estimation of the surrogates is very rough due to fewer interactions, which will mislead the search. Social group intelligence can be of great benefit to solve this problem. Besides, the evaluation uncertainty must be carefully treated. Motivated by this, we here propose an interactive genetic algorithm assisted with possibilistic conditional preference models by articulating group intelligence and the preference uncertainty. The valuable social group is determined according to the given keywords and historical searching of the current user. We respectively construct the possibilistic conditional preference models for the social group and the current user to approximate the corresponding uncertain preferences. We further enhance the current user’s preference model by integrating the social one. Thus, the accuracy of the user’s preference model is greatly improved, and the fitness estimation from the preference model is more reliable. The proposed algorithm is applied to the personalized search for books and the advantage in exploration is experimentally demonstrated.


Interactive genetic algorithm Social group intelligence Uncertainty Personalized search Possibilistic conditional preference model 


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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Xiaoyan Sun
    • 1
    Email author
  • Lixia Zhu
    • 1
  • Lin Bao
    • 1
  • Lian Liu
    • 1
  • Xin Nie
    • 1
  1. 1.School of Information and Electrical EngineeringChina University of Mining and TechnologyXuzhouPeople’s Republic of China

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