中文问答系统中句子相似度计算方法研究

Research on Sentence Similarity Calculation in Chinese Question Answering System

句子相似度的计算是自然语言处理领域非常重要的基本问题,具有非常广泛的应用。在很多领域,句子相似度计算都是一个非常关键的问题,句子相似度计算存在着多种方法。对句子相似度的计算方法进行分类,介绍不同的句子相似度的计算方法并对其原理方法进行分析,给出它们的优缺点,分析指出中文句子相似度计算的研究难点及关键。

The calculation of sentence similarity is very important fundamental question in Natural Language Processing（NLP） field, which have a very wide range of applications. In many fields calculation of sentence similarity is a very crucial issue. There are several calculation methods. Classifies the calculation of sentence similarity and introduces a variety of sentence similarity calculation methods, analyzes their principle method, gives advantages and disadvantages, points out the difficult and critical of Chinese sentence similarity calculation.