public void map(Object key, Text value, Context context)
				throws IOException, InterruptedException {
			String line = value.toString();
			if (line == null || line.equals(""))
				return;
			
			String[] lines = line.split("\t");
			Post post = new Post(lines[0]);
			String content = lines[1];

			List<String> words = util.splitWords(post.getTitle());
			if (words != null) {
				for(String word : words) {
					record.clear();
					record.set(word);
					offset.clear();
					offset.set(key.toString()); // + "|" + post.getLink()
					context.write(record, offset);
				}
			}
			
			words = util.splitWords(content);
			if (words != null) {
				for(String word : words) {
					record.clear();
					record.set(word);
					offset.clear();
					offset.set(key.toString());
					context.write(record, offset);
				}
			}
		}