Example usage for org.apache.mahout.cf.taste.recommender Rescorer Rescorer

Introduction

In this page you can find the example usage for org.apache.mahout.cf.taste.recommender Rescorer Rescorer.

Prototype

Rescorer

Source Link

Usage

From source file:net.myrrix.online.example.rescorer.FilterHalfRescorerProvider.java

License:Apache License

@Override
public Rescorer<LongPair> getMostSimilarItemsRescorer(MyrrixRecommender recommender, String... args) {
    final boolean odd = args.length > 0 && Boolean.valueOf(args[0]);
    return new Rescorer<LongPair>() {
        @Override// www  .  j  a v  a2  s . c  om
        public double rescore(LongPair longPair, double score) {
            return isFiltered(longPair) ? Double.NaN : 10.0 * score;
        }

        @Override
        public boolean isFiltered(LongPair longPair) {
            return odd == ((longPair.getFirst() & 0x01) == 1) || odd == ((longPair.getSecond() & 0x01) == 1);
        }
    };
}

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