The proposed method is evaluated on the Encarta encyclopedia document set and the experimental results show that is can provice more accurate and focused answers than traditional document retrieval methods.

• 基于这种方法实现了一个问题回答系统；测试集是微软的百科全书Encarta；通过与系统方法实验比较；证明通过这种方法检索的文章片断更合理、更有效.