public void cutAccessSequence(){
		
		// 检查输入日志序列
		if(inputSequence == null || inputSequence.size() == 0){
			System.err.println("Input Sequeuece is null! Exit...");
			return;
		}
		
		// 对输入日志序列进行分段
		int winNum = -1;
		for(int i = 0; i < inputSequence.size(); i++){
			
			// 开始一个新窗口
			if(i / windowSize > winNum){
				List<String> newWindow = new ArrayList<String>();
				newWindow.add(inputSequence.get(i));
				inputSegments.add(newWindow);
				winNum = i / windowSize;
			}
			// 在旧窗口中追加访问项
			else{
				inputSegments.get(winNum).add(inputSequence.get(i));
			}
		}
	}