Examples of Recommender.ParallelKNN$CalcMap

Recommender.ParallelKNN
Map Class for Calculating Neighbors Input: KDD Database in Preprocessed chunks based on Song Output: Neighborhoods for all songs Compare chunks to each other and reduce to get the top K neighbors

        }
    }


    // Dynamically switch recommenders based on mode.
    private static Recommender getRecommender() {
        return options.isParallel() ? new ParallelKNN() : new SequentialKNN();
    }

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Database.KDDParser

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Database.Primitives.User

Database.Similarities

Database.Songs

Database.Users

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org.apache.hadoop.fs.FileSystem

org.apache.hadoop.fs.FSDataOutputStream

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