Table 2. Compositions of chromosome types Chromosome featu Item Contents Chromosome Type RatingDemographics.Preferences es)( 8 features)I 18 genres from MovieLens ures(GA User Profile 7) tic Algorithm with 12 features(GA User Profile 12) I Genetic Algorithm with 29 features( GA Merge) I Genetic Algorithm with 37 features(GA User Profile 37) Average Feature Weights of Neighbor Set 幸辛 Documentary igure 7 Feature Weights Chart of Neighbor Set Random 50 Users 50 Neighbors →0AM群9 0点U5Pro3 点 UspTo12 =点U3Pro Figure 8. Fitness Accuracy Chart for random 50 UsersTable 2. Compositions of chromosome types Chromosome Features Item Contents Chromosome Type User Rating User Demographics (3 features) User Preferences (8 features) 18 genres from MovieLens 7 characters from IMDb Pearson Algorithm (Pearson)



Genetic Algorithm with 7 features (GA User Profile 7)

Genetic Algorithm with 12 features (GA User Profile 12)


Genetic Algorithm with 22 features (GA)

Genetic Algorithm with 29 features (GA Merge)



Genetic Algorithm with 37 features (GA User Profile 37)




Figure 7. Feature Weights Chart of Neighbor Set Figure 8. Fitness Accuracy Chart for random 50 Users