An F1 score of 85.5% is achieved by using the evaluation dataset of Chinese treebank of Beijing university, and obviously better than those of hidden Markov model and maximum entropy Markov model.

• 使用北京大学中文树库的测试结果为F1=85.；5%25，高于隐马尔可夫模型和最大熵马尔可夫模型。