/**
* Create the LensKit recommender configuration for <b>unweighted</b> user profile creation.
*
* @return The LensKit recommender configuration.
*/
@SuppressWarnings("unchecked")
public static LenskitConfiguration configureRecommender() {
LenskitConfiguration config = new LenskitConfiguration();
// configure the rating data source
config.bind(EventDAO.class).to(MOOCRatingDAO.class);
config.set(RatingFile.class).to(new File("data/ratings.csv"));
// use custom item and user DAOs
// specify item DAO implementation with tags
config.bind(ItemDAO.class).to(CSVItemTagDAO.class);
// specify tag file
config.set(TagFile.class).to(new File("data/movie-tags.csv"));
// and title file
config.set(TitleFile.class).to(new File("data/movie-titles.csv"));
// our user DAO can look up by user name
config.bind(UserDAO.class).to(MOOCUserDAO.class);
config.set(UserFile.class).to(new File("data/users.csv"));
// use the TF-IDF scorer you will implement to score items
config.bind(ItemScorer.class).to(TFIDFItemScorer.class);
return config;
}
