public void reduce(Text key, Iterable<Text> values, Context context)
				throws IOException, InterruptedException {
			String cluster = "Noise";
			int maxNeighbor = -1;
			for (Text info : values) {
				String c = info.toString().substring(0,
						info.toString().indexOf("-"));
				int neighbor = Integer.parseInt(info.toString().substring(
						info.toString().indexOf("-") + 1));
				if (neighbor > maxNeighbor) {
					maxNeighbor = neighbor;
					cluster = c;
				}
			}
			context.write(new Text(key.toString() + "--------[" + cluster.toString()+"]"),
					NullWritable.get());
		}