Clean up implementation of GetRecommendations().
Clean up implementation of GetRecommendations().


minhpqn/mlpack,thirdwing/mlpack,chenmoshushi/mlpack,stereomatchingkiss/mlpack,ranjan1990/mlpack,Azizou/mlpack,darcyliu/mlpack,bmswgnp/mlpack,chenmoshushi/mlpack,trungda/mlpack,ranjan1990/mlpack,bmswgnp/mlpack,ajjl/mlpack,Azizou/mlpack,palashahuja/mlpack,minhpqn/mlpack,stereomatchingkiss/mlpack,palashahuja/mlpack,stereomatchingkiss/mlpack,Azizou/mlpack,datachand/mlpack,ajjl/mlpack,lezorich/mlpack,BookChan/mlpack,ersanliqiao/mlpack,datachand/mlpack,ranjan1990/mlpack,erubboli/mlpack,ersanliqiao/mlpack,theranger/mlpack,lezorich/mlpack,trungda/mlpack,BookChan/mlpack,chenmoshushi/mlpack,palashahuja/mlpack,minhpqn/mlpack,darcyliu/mlpack,thirdwing/mlpack,darcyliu/mlpack,erubboli/mlpack,erubboli/mlpack,thirdwing/mlpack,ersanliqiao/mlpack,trungda/mlpack,BookChan/mlpack,theranger/mlpack,ajjl/mlpack,bmswgnp/mlpack,lezorich/mlpack,datachand/mlpack,theranger/mlpack