QA system contains three main procedures: question understanding, information retrieve and answer extraction.
问答系统中包括三个主要的部分：问题理解，信息检索和答案抽取。
Question answering system is composed of three parts which is question analysis, information retrieval and answer extraction.
问答系统由问题理解、信息检索、答案抽取三个部分组成。
In general, a Question Answering system is made up of three parts: Question Analysis, Information Retrieval and Answer Extraction.
自动问答系统一般包括三个主要组成部分：问题分析、信息检索和答案抽取。
Then semantic roles of sentences are used in answer extraction of the question answering system, and it improves the system's accuracy.
然后将语义角色信息用于问答系统的答案抽取中，提高了问答系统的精度。
Then we employ Bayesian classifier to classify these questions. Answer extraction is the most crucial part for question answering system.
本文采用贝叶斯分类器，提取问句主干以及包含疑问词的分支作为特征进行问题分类。
Candidate answer sentence extraction is an important part of answer extraction, which directly effects question answering system's performance.
候选答案句抽取是问答系统中答案抽取的重要组成部分，其质量直接影响问答系统的性能。
An efficient answer extraction system named Dependency Inspection based AE system (DIAES) was proposed to improve the accuracy of locating candidate answers.
为了提高答案抽取应用中定位候选答案的准确性，提出了一种基于依存语义检测的答案抽取应用系统(DIAES)。
This paper mainly focuses on question analysis and answer extraction. Question analysis includes question classification, keyword extraction and keyword expansion.
本文主要研究了问答系统的问题理解与答案抽取两个部分。
It is an integrated technical processing system which is supported by the technique of word segment, lexical analysis, retrieval, entity recognition and answer extraction.
它是综合的技术处理系统，其设计与开发需要分词、词法分析、检索、实体识别、答案抽取等几个方面的技术支撑。
After class definition, feature extraction, data annotation, model training and experimenting, the output proves that acceptable performance of answer extraction could be reached.
通过类型定义、特征表示、数据标注、模型训练、实验验证等一系列过程，最终的结果表明能够对论坛数据实现高性能的答案抽取。
This system is composed of four modules: Question Answer Database, Question Analysis module, Information Searching module and Information Extraction module.
该系统分为问题答案库、问题分析、答案查询、答案抽取四个部分。
This system is composed of four modules: Question Answer Database, Question Analysis module, Information Searching module and Information Extraction module.
该系统分为问题答案库、问题分析、答案查询、答案抽取四个部分。
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