Example usage for org.apache.mahout.cf.taste.impl.model.file FileIDMigrator FileIDMigrator

Introduction

In this page you can find the example usage for org.apache.mahout.cf.taste.impl.model.file FileIDMigrator FileIDMigrator.

Prototype

public FileIDMigrator(File dataFile) throws FileNotFoundException 

Source Link

Usage

From source file:io.ssc.musicwithtaste.examples.RunDiscoverNewArtistsExample.java

License:Apache License

public static void main(String[] args) throws Exception {

    if (args.length != 1) {
        System.err.println("no dataset directory supplied!");
        return;//from w  w  w .  ja v a 2 s.  com
    }

    String directory = args[0];

    DataModel dataModel = new FileDataModel(new File(directory, "lastfm-ratings.csv"));
    IDMigrator migrator = new FileIDMigrator(new File(directory, "lastfm-artists.csv"));

    DiscoverNewArtistsRecommender recommender = new DiscoverNewArtistsWithTaste(dataModel, migrator);

    String[] users = new String[] { "fdf091277a54083fe050047c8aa09fdb42cbad57",
            "249f277ffaac044259ac551cacea304382ec688d", "e536a743bb1dd9644e3a00b8e621359272f81567",
            "1e506941da0035cdfe9421b6f1a9b0eb86f51b03" };

    for (String user : users) {
        printDiscoverNewArtists(recommender, user);
    }
}

---

From source file:io.ssc.musicwithtaste.examples.RunSimilarArtistsExample.java

License:Apache License

public static void main(String[] args) throws Exception {

    if (args.length != 1) {
        System.err.println("no dataset directory supplied!");
        return;/*from w w  w .j a  va2 s  .co m*/
    }

    String directory = args[0];

    DataModel dataModel = new FileDataModel(new File(directory, "lastfm-ratings-sample-10-percent.csv"));
    IDMigrator migrator = new FileIDMigrator(new File(directory, "lastfm-artists.csv"));

    SimilarArtistsRecommender recommender = new SimilarArtistsWithTaste(dataModel, migrator);

    printPeopleWhoListenToThisArtistAlsoListenTo(recommender, "die rzte");
    printPeopleWhoListenToThisArtistAlsoListenTo(recommender, "minor threat");
    printPeopleWhoListenToThisArtistAlsoListenTo(recommender, "hansi hinterseer");
    printPeopleWhoListenToThisArtistAlsoListenTo(recommender, "britney spears");
}

---