@Override
	public double[] itemSimilarities(long arg0, long[] arg1)
			throws TasteException {
		double scores[] = new double[arg1.length];
		for(int i=0;i<arg1.length;i++){
			double score=itemSimilarity(arg0, arg1[i]);
			scores[i]=score;
		}
		return scores;
	}