public SentimentType judgeSenType(Map<String, Double> score) {
		SentimentType result = SentimentType.NEUTRAL;
		if (score.isEmpty()) {
			return result;
		}
		double pos = score.get(POS_TAG) + 0.0000001D;
		double neg = score.get(NEG_TAG) + 0.0000001D;
		double res = (Math.abs(pos-neg)/(pos+neg));
		if (res > Constants.SEN_THRESHOLD) {
			if (pos >= neg) {
				result = SentimentType.POSITIVE;
			} else {
				result = SentimentType.NEGATIVE;
			}	
		} else {
			result = SentimentType.NEUTRAL;
		}
		//LOGGER.info("score = {}, value = {}, type = {}", score.toString(), res, result);
		return result;
	}