code: public String process(String text){
  		String ret = text;
  		
  		//Pipeline
  		ret = convertor.convert(ret);
  		ret = senSegment(ret);
  		ret = senTokenize(ret);
  		ret = wordSegment(ret);
  		ret = postProcessing(ret);
  		ret = posTagging(ret);
  		return ret;
  	}
docs: Process the text and return the processed text
  pipeline : sentence segmentation, tokenization, word segmentation, part of speech tagging.
  
  @param text text to be processed
  @return processed text