MOFSRank: A Multiobjective Evolutionary Algorithm for Feature Selection in Learning to Rank

Algorithm 2

MOIS.

Input:  :  maximum generations of multi-objective instance selection, :  population

size of multi-objective instance selection, :  crossover probability of multi-objective instance selection,

:  mutation probability of multi-objective instance selection, :  original training data set;

Output:  A set of non-dominated instance subsets ;

  Initializing the population ;

  for   to do

  Evaluating by two proposed objectives; // formula (1)

  Binary Tournament ;

  Variation ;

  Environmental ;

  end for

   selecting the solutions on the Pareto front;

  Return  ;